In the research process, you will have to learn not only how to cite a particular document within your own work, but also how to organize the citations in your bibliographies.
Depending on the requirement of the professor, you will be asked to use one of the following popular citation styles.
MLA Style – Modern Languages Association style - literature, arts, and humanities.
APA Style– American Psychological Association style - psychology, education, and other social sciences
Chicago Style – The Chicago Manual of Style - used with all subjects in the "real world" by books, magazines, newspapers, and other non-scholarly publication