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Collect and organize citations. Create reference lists.
To learn more, click one of the links below.
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 crossref.org.
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
Purdue OWL: APA Style
APA (American Psychological Association) is most commonly used to cite sources within the social sciences.
Publication Manual of the American Psychological Association
Call Number: Reference BF76.7 .P83 2010
Publication Date: 2009-07-15
In addition to providing guidance on grammar, the mechanics of writing, and APA style, this manual offers an authoritative reference and citation system. It also covers the treatment of numbers, statistical and mathematical data, tables and figures.
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