Documenting sources is an essential part of the research and writing process. Proper citation of the sources you quote, paraphrase, and mention is important for avoiding plagiarism, giving credit where due, and putting your work in intellectual context. Accurate citations will also help your readers find the works that you're responding to or building on, allowing them to more fully engage with and/or contribute to the scholarly conversation around your work. 

This guide covers the APA, MLA, Chicago, and Turabian styles, and provides links to a number of additional citation styles. 

It also includes information on citation management tools like Zotero and RefWorks, links to several automatic citation generators, and tips for avoiding plagiarism.