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This guide collects the Libraries' and other resources on incorporating and citing sources in your work for all subjects and disciplines. Use the tabs on the left to see resources and guides for individual citation styles.
Different citation styles are used by different disciplines and subject areas. Each frequently-used style below links to a guide about how to use that style in writing and editing papers, and lists disciplines and subject areas that commonly use them. The instructor assigning your work is always the authority on what style to use for a particular assignment.
The Writing Center offers free services to all USC students in the form of individual consultations and in-class workshops. Our goal is to contribute to the development of better writers, not just better products, and to assist with the skills and processes of critical thinking, drafting, and revising that lead to clearly expressed positions, coherent arguments, and persuasive reasoning.