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Citing Sources - APA: Citing Sources - APA Style

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

Citation Managers

Collect and organize citations. Create reference lists.

To learn more, click the link below.

Writing and Grammar

Published manual

Metro State APA handouts

APA style help online

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