APA is an acronym for the American Psychological Association. The Publication Manual of the American Psychological Association is often used for research work in the social sciences.
Links to the Formatting and Style guide for APA Citation, provided by the Online Writing Lab (OWL) of Purdue University, if you can use it in a paper, they can show you how to cite it.
All the latest fashions and trends in APA Style. Try searching for your specific issue. Great for social media and other rapidly evolving source types.
This tutorial gives an overview of using APA style. Brief sections discuss setting up the format, citing sources within the text, and creating end references. Several examples are given. A search feature on the right allows the user to focus on areas of interest.