Use citation management tools to store and organize citations and to help create bibliographies in APA format. There are many citation management tools to choose from, including EndNote Web, EndNote Desktop, and Mendeley.
APA (American Psychological Association):
MLA (Modern Language Association):
CSE (Council of Science Editors):
AMA (American Medical Association)
SBL (Society of Biblical Literature):
Also, try the Purdue OWL (Online Writing Lab) for APA, MLA, and Chicago Manual of Style basics: