APA citation style is most frequently used in the social and behavioral sciences (psychology, education, anthropology, social work, etc).
The first style rules were published in 1929. The American Psychological Association has produced 6 editions of the Publication Manual in the ensuing 80+ years.
APA style relies on in text citations (author, date) for paraphrased, summarized, or quoted material within a paper. In text citations correspond to sources in the References list at the end of the paper.
What is a DOI?
Digital Object Identifiers are unique identifiers that may be assigned to published articles. Their purpose is ensure persistant access to online content.
If a DOI is available, you should include it in your APA citation.
Consult the Publication Manual as the definitive source for APA citation rules:
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See also: Supplemental Materials
Visit these reputable sources for examples of APA style citations:
These free tools prompt you to enter in the components of a citation, and configure the elements according to APA guidelines. Make sure you verify the accuracy of your results by consulting the Publication Manual!