...most teachers ask you to use sources because they know that your own thinking will be enhanced when you consult the ideas of previous writers on a topic. Seen in this light, sources can help you develop and deepen your ideas as early as the brainstorming and drafting stages. Think of yourself as having a conversation with the sources—when you move back and forth between your own thinking and what sources have to say, you push your ideas further than you would by going it alone.
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Yale University, Center for Teaching and Learning.
This guide, prepared by your professors, contains a list of citation styles that are used in several course-related disciplines, and links to many style guides. Similar links follow below...
These online citation style guides provide overviews. For more in-depth coverage and for more obscure types of resources (images, Bible verses), use the actual Turabian style guide found in the Library's collection (see below).