Purdue OWLOWL (Online Writing Lab) – Purdue University, Research and Citation Resources
Purdue University's OWL is the “go-to” site for students. Provides the detailed information needed to correctly cite any type of source using MLA, APA, or Chicago Style. In addition to citation help, OWL provides other helpful guides: Quoting, Paraphrasing & Summarizing, Avoiding Plagiarism, Evaluating Sources of Information and much more.