APA Citation Guide for Psychology Students

APA citation guide specifically for psychology research and papers

📖 Reading time: 25 minutes
🔄 Last updated: 2025-10-25
✅ APA 7th Edition


⚡ TL;DR - Quick Summary

⚡ Key Points

  • Master APA 7th edition citation formatting
  • Identify and fix common citation errors
  • Use validation tools to ensure accuracy
  • Understand the rules that matter most
  • Save time and improve your grades

Key Takeaway: Systematic citation checking prevents rejection and demonstrates academic rigor.


Introduction

Navigating the world of APA citations can be challenging, especially when it comes to psychology research. You may find yourself grappling with unique psychology-specific sources or the intricacies of journal article formatting. If you have ever felt overwhelmed by the requirements for including DOIs or other citation elements, you are not alone. Many students and professionals in the field of psychology share your frustrations, and this guide is designed specifically to help you overcome these hurdles.

In this comprehensive APA citation guide, you will discover the essential rules for correctly citing psychology-related sources. Whether you are referencing journal articles, books, or even webpages, understanding the nuances of APA format psychology is crucial for presenting your research accurately. We will break down the core elements of APA citations, highlighting critical aspects such as author formatting and the proper way to list multiple authors.

You will learn how to format single authors, two authors, and works with three to twenty authors. Additionally, we will cover the correct procedures for citing sources with twenty or more authors, ensuring that you adhere to the latest APA guidelines. The rules for organizational authors will also be clarified, providing you with the tools necessary to attribute your sources correctly.

Moreover, this guide will address some common pain points, such as the specific requirements for psychology-related sources and the importance of including DOIs in your references. Each section will provide clear examples, allowing you to visualize the correct formatting while avoiding common mistakes.

By the end of this guide, you will feel confident in your ability to create accurate APA citations for your psychology research. You will not only enhance the credibility of your work but also make it easier for readers to trace your sources. So, let's dive in and simplify the process of APA citations together, ensuring that you can focus more on your research and less on the intricacies of citation formatting.


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Understanding Apa Citations For Psychology

Comprehensive Guide to APA Citations for Psychology

The American Psychological Association (APA) citation style is widely used in the field of psychology. This guide provides an overview of APA citation rules, focusing on author formatting, which is crucial for ensuring correct attribution of works in your reference list and in-text citations. Following these guidelines will enhance the clarity and professionalism of your academic writing.

Author Formatting Rules

Single Author Format

In the APA 7th edition, a single author's name should be formatted with the last name first, followed by a comma and the first initial, with a period after it. If a middle initial is included, it should also follow the same format, being separated by a period and without spaces.

Correct Examples:
- Johnson, M. K.
- Williams, R. A.

Incorrect Examples:
- M. K. Johnson (name not inverted)
- Johnson, M.K. (missing space after the period)

Why It Matters:
This format ensures consistency and helps in the alphabetical ordering of references, making it easier for readers to locate sources.

Common Pitfalls:
- Not inverting the name
- Omitting the comma after the last name
- Adding spaces between initials

Two Authors Format

For works with two authors, both names should also be inverted and separated by an ampersand (&). The ampersand must be preceded by a comma. This formatting rule applies to reference lists and parenthetical citations. However, in narrative citations, use "and" instead of "&".

Correct Examples:
- Smith, J. D., & Brown, A. M.
- Garcia, L. P., & Martinez, R. T.

Incorrect Examples:
- Smith, J. D. and Brown, A. M. (using 'and' instead of '&')
- J. D. Smith & A. M. Brown (incorrect format)

Why It Matters:
Using the correct format not only maintains consistency but also adheres to the APA style, distinguishing it from other citation formats.

Common Pitfalls:
- Using 'and' instead of '&'
- Forgetting to invert the second author's name
- Missing the comma before the ampersand

Three to Twenty Authors

When citing works with three to twenty authors, list all authors in the reference list. Each author's name should be inverted, separated by commas, with an ampersand before the final author.

Correct Examples:
- Anderson, K. L., Williams, J. M., Davis, S. R., & Thompson, B. P.
- Chen, X., Rodriguez, M., Johnson, L., Kim, S., & Patel, R.

Incorrect Examples:
- Anderson, K. L., et al. (using 'et al.' prematurely)
- Anderson, K. L., Williams, J. M., Davis, S. R. and Thompson, B. P. (using 'and' instead of '&')

Why It Matters:
This rule ensures that all authors receive proper credit, which is particularly important in academic settings.

Common Pitfalls:
- Using 'et al.' too soon
- Forgetting to list all authors
- Incorrectly using 'and' instead of '&'

Twenty or More Authors

For works with 21 or more authors, list the first 19 authors, insert an ellipsis (...), and then list the final author. The ellipsis replaces authors 20 through the second-to-last author.

Correct Examples:
- Author1, A. A., Author2, B. B., Author3, C. C., Author4, D. D., Author5, E. E., Author6, F. F., Author7, G. G., Author8, H. H., Author9, I. I., Author10, J. J., Author11, K. K., Author12, L. L., Author13, M. M., Author14, N. N., Author15, O. O., Author16, P. P., Author17, Q. Q., Author18, R. R., Author19, S. S., ... LastAuthor, Z. Z.
- Johnson, M. K., Williams, R. A., Brown, L. D., Davis, S. M., ... Smith, T. R.

Incorrect Examples:
- Author1, A. A., et al. (incorrect format)
- Author1, A. A., Author2, B. B., ... Author20, T. T., LastAuthor, Z. Z. (incorrect ordering)

Why It Matters:
This format prevents excessively long author lists while still providing necessary attribution.

Common Pitfalls:
- Using 'et al.' instead of the ellipsis
- Listing too many authors
- Omitting the final author

Organization as Author

When an organization, corporation, or government agency is the author, use the full official name without inversion. Only use abbreviations if the organization is commonly known by them.

Correct Examples:
- American Psychological Association
- National Institute of Mental Health

Incorrect Examples:
- APA (using abbreviation instead of full name)
- Association, American Psychological (incorrect naming order)

Why It Matters:
This ensures that the work is attributed correctly, providing clarity to the reader about the source.

Common Pitfalls:
- Using an abbreviation instead of the full name
- Inverting organizational names
- Omitting explanations for acronyms

Handling Anonymous Works

When no author is listed, move the title to the author position, followed by the date. Do not use "Anonymous" unless the work is actually signed that way.

Correct Examples:
- Merriam-Webster's collegiate dictionary. (2003).
- Anonymous. (2018). The art of invisibility.

Incorrect Examples:
- Unknown author. (2018). The art of invisibility. (incorrect phrasing)
- Anonymous. (2003). Merriam-Webster's collegiate dictionary. (incorrect ordering)

Why It Matters:
This rule allows readers to identify works by their titles when authorship is unknown, maintaining the standard reference format structure.

Common Pitfalls:
- Using "Anonymous" incorrectly
- Leaving the author position empty
- Not properly moving the title to the author position

Conclusion

Adhering to APA citation rules is essential for anyone writing in the field of psychology. Proper author formatting not only ensures clarity and consistency but also provides proper attribution to the authors of the works you reference. By following these guidelines, you can avoid common pitfalls and enhance the credibility of your academic writing. Remember to always double-check your citations against the APA manual for the most accurate formatting.


📚 Comprehensive Examples

The impact of social media on adolescent mental health: A longitudinal study
Chen, L., & Williams, K. (2023). The impact of social media on adolescent mental health: A longitudinal study. Journal of Abnormal Psychology, 132(4), 456-468. https://doi.org/10.1037/abn0000789
In-Text Citations:
  • Parenthetical: (Chen & Williams, 2023)
  • Narrative: Chen and Williams (2023)

Source Type: journal_article

Remote learning effectiveness during COVID-19: A meta-analysis
Johnson, M. R., Davis, S. L., & Thompson, A. K. (2022). Remote learning effectiveness during COVID-19: A meta-analysis. Review of Educational Research, 92(3), 412-445. https://doi.org/10.3102/00346543221075623
In-Text Citations:
  • Parenthetical: (Johnson et al., 2022)
  • Narrative: Johnson, Davis, and Thompson (2022)

Source Type: journal_article

Nurse burnout and patient safety: The mediating role of working conditions
Garcia, E. M. (2021). Nurse burnout and patient safety: The mediating role of working conditions. Journal of Nursing Administration, 51(7), 389-395. https://doi.org/10.1097/NNA.0000000000001015
In-Text Citations:
  • Parenthetical: (Garcia, 2021)
  • Narrative: Garcia (2021)

Source Type: journal_article

Remote work productivity: A multi-site analysis of Fortune 500 companies
Anderson, R. L., Brown, T. S., Clark, J. R., Davis, M. K., Evans, S. L., Foster, N. P., & Miller, L. Q. (2023). Remote work productivity: A multi-site analysis of Fortune 500 companies. Journal of Business Research, 158(2), 113456. https://doi.org/10.1016/j.jbusres.2023.113456
In-Text Citations:
  • Parenthetical: (Anderson et al., 2023)
  • Narrative: Anderson et al. (2023)

Source Type: journal_article

Trauma-informed care in child welfare services: Outcomes from a five-year study
Martinez, S. H., & O'Brien, K. L. (2022). Trauma-informed care in child welfare services: Outcomes from a five-year study. Child Welfare, 101(1), 23-41. https://doi.org/10.1177/0009392022112345
In-Text Citations:
  • Parenthetical: (Martinez & O'Brien, 2022)
  • Narrative: Martinez and O'Brien (2022)

Source Type: journal_article

Cognitive decline in aging: The role of physical exercise
Thompson, C. R., Lee, J. H., Wang, Y., Anderson, M. D., & Singh, P. K. (2020). Cognitive decline in aging: The role of physical exercise. Neuropsychology, 34(7), 892-904. https://doi.org/10.1037/neu0000654
In-Text Citations:
  • Parenthetical: (Thompson et al., 2020)
  • Narrative: Thompson et al. (2020)

Source Type: journal_article

Implicit bias in hiring decisions: A meta-analytic review
Wilson, E. J., Park, S. M., & Rodriguez, L. A. (2021). Implicit bias in hiring decisions: A meta-analytic review. Journal of Applied Psychology, 106(8), 1123-1145. https://doi.org/10.1037/apl0000987
In-Text Citations:
  • Parenthetical: (Wilson et al., 2021)
  • Narrative: Wilson, Park, and Rodriguez (2021)

Source Type: journal_article

Growth mindset interventions in elementary mathematics
Taylor, A. M. (2023). Growth mindset interventions in elementary mathematics. Journal of Educational Psychology, 115(3), 567-582. https://doi.org/10.1037/edu0000723
In-Text Citations:
  • Parenthetical: (Taylor, 2023)
  • Narrative: Taylor (2023)

Source Type: journal_article

Cultural competence in teacher preparation programs
Patel, R. K., Nguyen, T. L., Williams, J. H., Brown, C. M., & Davis, S. R. (2022). Cultural competence in teacher preparation programs. Teaching and Teacher Education, 117, 103712. https://doi.org/10.1016/j.tate.2022.103712
In-Text Citations:
  • Parenthetical: (Patel et al., 2022)
  • Narrative: Patel et al. (2022)

Source Type: journal_article

Evidence-based practice implementation in intensive care units
Kim, S. H., O'Connor, M. P., & Wilson, R. T. (2020). Evidence-based practice implementation in intensive care units. Critical Care Nurse, 40(6), 28-37. https://doi.org/10.4037/ccn2020897
In-Text Citations:
  • Parenthetical: (Kim et al., 2020)
  • Narrative: Kim, O'Connor, and Wilson (2020)

Source Type: journal_article


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❌ Common Errors to Avoid

❌ Article Title Title Case Error

The Impact Of Social Media On Adolescent Mental Health: A Longitudinal Study

✓ Correct Format:

The impact of social media on adolescent mental health: A longitudinal study

Why This Happens:

How to Avoid It:

['Capitalize only the first word of the title in sentence case format', 'Capitalize the first word after a colon in the subtitle', 'Capitalize all proper nouns and proper adjectives throughout the title', 'Leave all other words lowercase including articles and prepositions']


❌ Journal Title Sentence Case Error

Journal of clinical psychology

✓ Correct Format:

Journal of Clinical Psychology

Why This Happens:

How to Avoid It:

['Capitalize all major words in the journal title including verbs and adjectives', 'Capitalize the first and last words of the journal title', 'Keep articles, short prepositions, and conjunctions lowercase unless first/last', 'Italicize the entire journal title including subtitle and volume number']


❌ Book Title Sentence Case Error

The psychology of learning and motivation

✓ Correct Format:

The Psychology of Learning and Motivation

Why This Happens:

How to Avoid It:

['Capitalize all major words in the book title including verbs and adjectives', 'Capitalize first and last words of the book title without exception', 'Keep minor words lowercase unless they are first or last in title', 'Apply same rule to subtitle words following the colon']


❌ Proper Noun Capitalization Error

Research conducted at harvard university showed promising results

✓ Correct Format:

Research conducted at Harvard University showed promising results

Why This Happens:

How to Avoid It:

['Identify all proper nouns in the title including names of people', 'Ensure names of places, organizations, and institutions are capitalized', 'Capitalize specific geographic names and locations mentioned', 'Maintain capitalization of brand names and historical events referenced']


❌ Subtitle Capitalization Error

Social development in early childhood: theoretical perspectives

✓ Correct Format:

Social development in early childhood: Theoretical perspectives

Why This Happens:

How to Avoid It:

['Locate all colons in the title that separate main title from subtitle', 'Capitalize the first word immediately following each colon without exception', 'Apply sentence case or title case rules to remaining subtitle words appropriately', 'Ensure subtitle capitalization matches the type of title case being used']


❌ Acronym Capitalization Error

The role of cdc guidelines in pandemic response

✓ Correct Format:

The role of CDC guidelines in pandemic response

Why This Happens:

How to Avoid It:

['Identify well-known acronyms like CDC, NASA, APA, FBI that are widely recognized', 'Keep these acronyms in all capitals regardless of sentence case rules', 'For lesser-known acronyms, follow standard usage or title case rules', 'Check if acronym is commonly written in all caps in professional contexts']


❌ Website Title Case Error

Pew Research Center: Internet, Science & Tech

✓ Correct Format:

Pew research center: Internet, science & tech

Why This Happens:

How to Avoid It:

['Use sentence case for most website titles in APA 7 citations', 'Capitalize first word and proper nouns only in website titles', 'Exception: use title case for standalone web works like online books', 'Check if the web content is a container or standalone work']


❌ Report Title Case Error

The State of Mental Health in America: A 2023 Report

✓ Correct Format:

The state of mental health in America: A 2023 report

Why This Happens:

How to Avoid It:

['Use sentence case for report titles following APA 7 guidelines', 'Capitalize first word, words after colons, and proper nouns only', 'Treat reports like articles rather than books for capitalization', 'Check if report is part of larger series or standalone work']


❌ Conference Paper Title Case Error

Artificial Intelligence in Psychological Assessment: Current Applications

✓ Correct Format:

Artificial intelligence in psychological assessment: Current applications

Why This Happens:

How to Avoid It:

['Use sentence case for conference paper titles in reference lists', 'Capitalize first word, words after colons, and proper nouns only', 'Treat conference papers as articles within conference proceedings', 'Apply same capitalization rules as journal articles to conference papers']


❌ Blog Post Title Case Error

Mindfulness Practices for Stress Reduction: A Beginner's Guide

✓ Correct Format:

Mindfulness practices for stress reduction: A beginner's guide

Why This Happens:

How to Avoid It:

['Use sentence case for blog post titles in APA 7 citations', 'Capitalize first word, words after colons, and proper nouns only', 'Treat blog posts as articles within websites for capitalization', 'Apply same rules as journal articles to blog post titles']


✅ Validation Checklist

Use this checklist to verify your citations before submission:

  • In APA 7th edition, single authors are formatted with last name followed by a comma and first and middle initials. The initials should be separated by periods but not spaces. This format applies to all reference types including journal articles, books, and webpages. The author's name should be inverted (last name first) in the reference list only. This rule ensures consistency across all citation formats and makes alphabetical ordering more efficient in reference lists.
  • For works with two authors, both names should be inverted (last name first) and separated by an ampersand (&) rather than the word 'and'. Each author's name follows the single author format (Last name, initials). The ampersand should be preceded by a comma. This format is used in both reference lists and parenthetical citations, but narrative citations use 'and' instead of '&'. This rule distinguishes APA from other citation styles and maintains consistency across multi-author works.
  • For works with three to twenty authors, list all authors in the reference list. Each author's name should be inverted (last name first) with initials. Authors should be separated by commas, with an ampersand (&) before the final author's name. This represents a significant change from APA 6th edition, which used 'et al.' for works with seven or more authors. This rule ensures proper attribution to all contributors while maintaining readability for moderately sized author groups.
  • For works with 21 or more authors, list the first 19 authors, insert an ellipsis (...), then list the final author. The ellipsis replaces authors 20 through the second-to-last author. All listed authors follow the standard inverted format. This rule prevents extremely long citation lists while still providing key attribution information. The ellipsis should not be italicized or bracketed. This change from APA 6th edition's 7+ author rule provides more comprehensive author listing.
  • When an organization, corporation, or government agency is the author, use the full official name of the organization. Do not invert organizational names or use initials unless the organization is commonly known by its abbreviation (like APA or NIH). The organization name should be written out completely in the first mention, with abbreviations in brackets if they will be used subsequently. This rule ensures proper attribution for corporate and institutional authors while maintaining clarity for readers.
  • Government authors should include the specific agency or department as the author. When parent departments are relevant to identification, they can be included in the publisher position instead of the author position. Use the most specific agency name as the author. For example, use 'National Institute of Mental Health' rather than 'U.S. Department of Health and Human Services, National Institute of Mental Health.' This rule provides clear attribution while avoiding unnecessarily long author names.
  • When no author is listed and the work cannot be attributed to a specific organization, move the title to the author position, followed by the date. Do not use 'Anonymous' as the author unless the work is actually signed 'Anonymous.' For works truly signed 'Anonymous,' treat 'Anonymous' as the author name. This rule ensures that readers can identify works by their titles when authorship is unknown while maintaining the standard reference format structure.
  • Author titles, suffixes, and credentials (like Jr., Sr., II, III, Ph.D., M.D.) should be included in the reference list. Suffixes like Jr., Sr., II, and III follow the initials, separated by commas. Academic and professional credentials are generally omitted from reference list entries but may be included in special circumstances. Titles like Dr., Professor, or military ranks are not included in reference list citations. This rule provides complete identification when needed while avoiding unnecessary credential inflation.
  • When authors share the same surname, include their first initials even when there are multiple authors. This prevents confusion between different authors with identical last names. The standard format remains the same (Last name, initials), but this rule ensures that all authors are properly distinguished. This is particularly important in reference list ordering and when readers need to distinguish between works by different authors with common surnames.
  • Authors with double surnames (like Hernandez Lopez or Van der Wiel) should maintain both parts of the surname in the reference list. Treat the double surname as a single unit with a comma after the complete surname. Do not insert commas between parts of compound surnames unless that is the person's preferred usage. This rule respects cultural naming conventions and ensures accurate identification of authors with complex surnames.

🙋 Frequently Asked Questions

How do I cite a book in APA format?
To cite a book in APA format, you need to include the author's last name, first initial, the publication year, the title of the book in italics, and the publisher's name. For example, a basic book citation would look like this: Smith, J. (2020). Understanding psychology. Psychology Press. Remember, if the book has a DOI, include it at the end of the citation. If you are citing a specific chapter in an edited book, you would format it slightly differently. For more detailed guidance, you can refer to the APA Publication Manual or the Purdue Online Writing Lab.
What is the correct way to cite a journal article in APA style?
To cite a journal article in APA style, you need to include the author's last name, first initial, the publication year, the title of the article, the journal name in italics, volume number in italics, issue number in parentheses, page range, and the DOI if available. For example: Doe, J. (2021). The effects of sleep on cognitive function. Journal of Psychology, 15(3), 45-56. If the article does not have a DOI, you may omit that part. For more examples and explanations, you can check the APA Style website.
How do I cite a website in APA format?
When citing a website in APA format, include the author's last name, first initial, the publication date in parentheses, the title of the webpage in italics, and the URL. For example: Johnson, L. (2022). The impact of social media on mental health. Retrieved from https://www.example.com. If no author is available, start with the title instead. Remember to check if the webpage has a publication date, and if not, use 'n.d.' to indicate 'no date'. For further details, visit the APA Style Blog.
How do I cite multiple authors in APA style?
When citing a work with multiple authors in APA style, the format changes depending on the number of authors. For one or two authors, list all authors in the order they appear in the source. For three or more authors, list the first author's last name followed by 'et al.' For example, for three authors: Smith, J., Doe, A., & Brown, P. (2021). Study on behavior. Journal of Psychology, 5(2), 100-110 becomes Smith, J., et al. (2021). Study on behavior. If you want to ensure accuracy, consult the APA Publication Manual or the APA Style website.
What is the difference between a reference list and a bibliography?
In APA style, a reference list includes only the sources that you cited in your paper, while a bibliography may include all sources you consulted, even those not directly cited. The reference list is formatted with a hanging indent and is arranged alphabetically by the last name of the first author. Make sure to double-check your reference list for accuracy and completeness. For more information about creating a reference list, you can refer to the APA Style website or the APA Publication Manual.
How should I format in-text citations in APA style?
In-text citations in APA style can be formatted in two ways: parenthetical and narrative. For a parenthetical citation, include the author's last name and the publication year in parentheses after the relevant information, such as (Smith, 2020). In a narrative citation, incorporate the author's name into your text followed by the publication year in parentheses, such as Smith (2020) found that... If you are citing a specific page, include the page number as well, for example: (Smith, 2020, p. 23). For more examples, the APA Style website is a helpful resource.
How do I cite a secondary source in APA format?
When citing a secondary source in APA style, you should mention the original author and the secondary source in your text. For example, if you read about Smith's work in Jones's book, you would write something like 'Smith (as cited in Jones, 2021) found that...'. In your reference list, you only include the source you actually consulted, which in this case would be Jones's work. This helps maintain clarity and avoids confusion. For further guidance, check the APA Manual or the APA Style Blog.
How do I cite an edited book in APA style?
To cite an edited book in APA style, list the editor's name followed by '(Ed.)' or '(Eds.)' for multiple editors. Include the publication year, the title of the book in italics, and the publisher's name. For example: Brown, P. (Ed.). (2021). Advances in psychology. Psychology Press. If you are citing a specific chapter from the edited book, you would cite it as you would a normal chapter, including the chapter author's name. For more detailed examples, refer to the APA Style website.
What if my source does not have a publication date?
If your source does not have a publication date, you should use 'n.d.' to indicate 'no date'. For example, in your citation, you would format it like this: Smith, J. (n.d.). Title of the work. Publisher. This is particularly common for online sources where the publication date is not clearly stated. Make sure to use this format consistently throughout your reference list. For more information, visit the APA Style website.
How do I handle citations for sources with no author?
When citing a source with no identifiable author in APA style, you should begin with the title of the work instead. The title should be italicized if it is a standalone work, such as a book or report. For example: Title of the report. (2020). Publisher. If it is an article, use quotation marks around the title and include the source. In your in-text citation, use the title or a shortened version of it along with the year. For more examples and guidance, check the APA Style website.
How do I cite a thesis or dissertation in APA format?
To cite a thesis or dissertation in APA format, include the author's name, the publication year, the title in italics, the descriptor 'Unpublished master's thesis' or 'Unpublished doctoral dissertation', and the name of the institution. For example: Doe, J. (2020). Title of the thesis. Unpublished master's thesis, University of Psychology. If the thesis is available online, include the URL at the end. For more information and examples, refer to the APA Publication Manual or the APA Style website.

✨ Conclusion

This guide provides you with comprehensive knowledge to master APA 7th edition citation format. By following the guidelines and examples provided, you'll be able to create accurate citations that demonstrate academic rigor and professionalism.

Remember to:
- Always double-check author names and publication dates
- Use sentence case for article titles and title case for journal names
- Include DOIs whenever available
- Validate your citations before submission

Taking the time to ensure citation accuracy shows attention to detail and respect for academic standards.


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Last Updated: 2025-10-25
Reading Time: 25 minutes


This guide was created to help students and researchers master APA 7th edition citation format. For more help with specific citation types, browse our complete collection of citation guides.

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