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APA 7th ed. Style Guide

Help with using the APA 7th ed. Style Guide for writing.

DOI Information

DOI is the Digital Object Identifier that APA style requires you to include in your references when available.

General Information about Periodicals

Periodicals include sources that are published on a continual basis such as journals, magazines, newspapers, newsletters, and blogs.

  • Dates are presented differently for different kinds of periodicals.
  • If an element such as volume number is missing, omit it from the reference.



Author. (Date). Title of article. Title of Periodical, Volume(Issue), page numbers. DOI or URL.

Example (journal article with DOI):

McCauley, S.M., & Christiansen, M.H. (2019). Language learning as language use: A cross-linguistic model of child language development.

Psychological Review, 126(1), 1-51.

Example (newspaper article without DOI, from research database or print):

Goldman, C. (2018, November 28). The complicate calibration of love, especially in adoption.

Chicago Tribune.

Example (news website):

Avramova, N. (2019, January 3). The secret to a long, happy, healthy life? Think age-positive.


Example (blog post):

Klymkowsky, M. (2018, September 15). Can we talk scientifically about free will? Sci-Ed.


See examples of a References list using the APA 7th ed. format in the sample papers, below.

The References page format is the same for both Student and Professional papers.

See specific examples for how to list books, journal articles, the Bible, and other types of items in the dropdown menu under References.