APA 6th (American Psychological Association, 6th edition) is a set of regulations for how to write a scholarly paper, including how to format citations for the literature you are referencing.
For a tutorial on how to use the Cite tool in databases produced by Ebsco (ERIC, Business Source Premier) see: http://support.ebsco.com/training/flash_videos/citing_articles/citing_articles.html
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