American Psychological Association
The American Psychological Association (APA) is the main professional organization of psychologists in the United States, and the largest psychological association in the world. It has over 172,000 members, including scientists, educators, clinicians, consultants, and students. It has 54 divisions, which function as interest groups for different subspecialties of psychology or topical areas. The APA has an annual budget of nearly $135 million.
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Publication manual of the American Psychological Association : the official guide to APA style
Year of Publication 2019