The American Psychological Association (APA) style documentation is primarily used in Psychology, Social Science, and Education courses. For a Mini Mannual of APA please visit http://www.writing.msu.edu/media/media/apa_mini_manual.pdf
The reference format for APA Style is described in the fifth edition Manual of the American Psychological Association, which that contains hundreds of guidelines on how to format references, statistics, tables, punctuation, and grammar. It also contains writing tips and instructions about how to format the paper writing.