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Whenever you use sources such as books, journals, or Web sites in your research papers you must give credit to the original author by properly citing the sources. Citations also help your reader find the sources again. There are a number of different citation styles, depending on the discipline in which you are working. The following links provide guidelines to using a variety of citation styles.
Use these quick guides for examples of how to cite common types of sources in APA, MLA, CSE, and Chicago styles.
This is a limited list of other style guides
Guides for Specific Subjects