American Psychological Association style quick guide

What is it?

The American Psychological Association, or APA, style is widely used across various social science fields. APA emphasizes the importance of current research, enforces stringent guidelines for in-text citations and references, and provides recommendations on stylistic preferences.

QR code link: https://apastyle.apa.org 

General formatting

  • 1-inch margins on all sides
  • Double-spaced and 12 pt font
  • Page numbers in top right corner

Title page with:

  • Paper title (centered, bold, title case)
  • Author name
  • Institutional affiliation
  • Course name
  • Instructor name
  • Due date

Reference list

  • Start on new page titled "References" (centered)
  • Double-spaced, alphabetical order
  • Hanging indent (first line flush left, subsequent lines indented 0.5")

In-text citations

  • One author: (Smith, 2023)
  • Two authors: (Smith & Jones, 2023)
  • Three or more authors: (Smith et al., 2023)
  • Direct quote: Include page number (Smith, 2023, p. 45)

Reference list examples

Journal article

Author, A. A., & Author, B. B. (Year). Title of article. Journal Name, Volume(Issue), Page range. DOI or URL

McConkey, K. R., & Drake, D. R. (2006). Flying foxes cease to function as seed dispersers long before they become rare. Ecology, 87(2), 271-276. https://doi.org/10.1890/05-0386

Book

Author, A. A. (Year). Title of book. Publisher.

Condon, F., & Faison, W. (Eds.). (2022). CounterStories from the writing center. Utah State University Press.

Book chapter

Author, A. A. (Year). Chapter title. In E. Editor (Ed.), Book title (pp. xx-xx). Publisher.

Baldwin, D., & Smith, T. G. (2022). Stories of activist allies in the writing center. In F. Condon & W. Faison (Eds.), CounterStories from the writing center (pp. 133-144). Utah State University Press.

Website

Author, A. A. (Year, Month Day). Title of page. Site Name. URL

Centers for Disease Control and Prevention. (2024, May 15). About heart disease. CDC. https://www.cdc.gov/heartdisease/about.html

Lecture and class notes

Instructor, A. A. (Year, Month Day). Title of lecture [Lecture notes]. Department, Institution.

Crull, C. (2024, October 31). Rhetorical moves [Lecture notes]. Writing Center, University of California, Davis.

Multiple sources

  • Alphabetical order, semicolon separated: (Jones, 2022; Smith, 2023)
  • Same author, different years: (Smith, 2022, 2023)
  • Same author, same year: (Smith, 2023a, 2023b)