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PSYC U225 - Psychological Statistics - Elizabeth Freeman: APA 6th ed. Format

What is APA?

What is APA Style?

APA Style® originated in 1929, when a group of psychologists, anthropologists, and business managers convened and sought to establish a simple set of procedures, or style rules, that would codify the many components of scientific writing to increase the ease of reading comprehension.

As with other editorial styles, APA Style consists of rules or guidelines that a publisher observes to ensure clear and consistent presentation of written material. It concerns uniform use of such elements as

  • selection of headings, tone, and length;
  • punctuation and abbreviations;
  • presentation of numbers and statistics;
  • construction of tables and figures,
  • citation of references; and
  • many other elements that are a part of a manuscript.
 American Psychological Association. (n.d.). What is APA Style? Retrieved February 05, 2016, from 

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What is a DOI and when do I use it?

A DOI is a unique alphanumeric string that provides a persistent link to content online. In APA style, try to include a DOI for every reference if possible.


This guide was created with thanks to the Librarians at  University of South Carolina's Thomas Cooper Library.