Which should you use?
Ask each of your teachers which style they want you to use. If they have no preference, you can use any or follow these guidelines:
| APA : psychology, education, and other social sciences. |
| MLA : literature, arts, and humanities. |
| AMA : medicine, health, and biological sciences. |
Citation Machine :
Fill in the form, choose your style, then cut and paste into your reference page - quick, easy and accurate!
APA Citation Style 
Publication Manual of the American Psychological Association, 5 th edition
http://www.liu.edu/cwis/cwp/library/workshop/citapa.htm
MLA Citation Style 
Colorado State University Site about MLA citation
http://writing.colostate.edu/references/sources/mla/
MLA Handbook for Writers of Research Papers, 5th edition
http://www.liu.edu/cwis/cwp/library/workshop/citmla.htm
AMA Citation Style
American Medical Association Manual of Style, 9th edition
http://www.liu.edu/cwis/cwp/library/workshop/citama.htm