Many students and researchers like to use a citation management tool to help keep their sources organized, and to create citations and references. If you're interested in this, you may want to have a look at this information about using Zotero, which is one example of a citation manager.
An excellent introductory source on the major citation styles is the Online Writing Lab (OWL) at Purdue University in Indianapolis, Indiana, which includes examples of how to cite most major sources, as well as downloadable Sample Papers with annotations explaining how each style of paper should be formatted.
