EndNote includes 2-300 journal referencing (output) styles. Thomson Reuters EndNote have additional styles, the most common of which are already included when you download the software. If you need a different style, you can download it from Thomson Reuters.
If an existing output style does not meet your publishing needs, you can edit an existing style (preferred option) or create a new style. You can change such things as the way the author is displayed, the order of references in a bibliography, or how references are punctuated.
American Psychological Association. (2010). Publication manual of the American Psychological Association , (Sixth edition. ed.). Washington, D.C.: American Psychological Association.
Beins, Bernard C. (2012). APA Style Simplified : Writing in Psychology, Education, Nursing, and Sociology. Retrieved from http://www.eblib.com
The Chicago manual of style : the essential guide for writers, editors, and publishers. (2010) (16th ed.). Chicago, London: The University of Chicago Press.
Gibaldi, J. (2008). MLA style manual and guide to scholarly publishing (3rd ed. ed.). New York: Modern Language Association of America.