What is APA?
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.
Other sources of Information about APA
The most comprehensive information on APA style can be found in the APA Publication manual
Publication manual of the American Psychological Association (6th ed.). 
(2010). Washington, D.C.: American Psychological Association.
Reference guides to APA citation style are available in the Library and the Learning Enhancement Center
There are a number of helpful resources online:
Citation and Research Management Tools
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EasyBib Citation Generator (Trial)Enter information from your website, book, newspaper, journal, or database, and EasyBib formats your citation (select APA for MCNY assignments). EasyBib evaluates your web sources for credibility. In addition you can create notes and outline, search the library catalog and databases, or search other users bibliographies to find sources.
Writing Resources
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Turnitin.comEnsures original work by checking submitted papers against 17+ billion web pages, 200+ million student papers and leading library databases and publications.