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Psychology: APA Style

Citation Managers

Collect and organize citations. Create reference lists.

To learn more, click one of the links below.

Finding DOIs

If a DOI (Digital Object Identifier) exists for a publication, the APA style manual requires that it be included at the end of the citation in the reference list. Sometimes DOIs are listed in the article databases, but not always. To doublecheck whether or not a DOI exists, use this search feature at

Using APA Format: Creating a Reference Page

Click below to download the APA handout created by Metropolitan State University Librarians.

More style guides and citation resources

Writing and Grammar

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