Check with the instructor who will be grading the paper to learn required citation styles.
Consider using the Zotero citation tool to keep track of your references or citations in your research.
From the University of Wisconsin-Platteville Elton S. Karrmann Library
Often your instructor will tell you what citation style he or she wants you to use, such as APA or MLA styles. Otherwise, different disciplines have unique styles that are preferred.
Purdue University's Online Writing Lab (OWL) offers a website with a list of citation styles by discipline, as well as a discussion of different styles.