Citation and the lack thereof, plagiarism is the academic version of copyright. Plagiarism occurs when you borrow another's words (or ideas) and do not acknowledge that you have done so. In this culture, we consider our words and ideas intellectual property; like a car or any other possession, we believe our words belong to us and cannot be used without our permission. The best way to avoid plagiarism is to cite your sources - both within the body of your paper and in a bibliography of sources you used at the end of your paper.
You must cite:
When in doubt, be safe and cite your source!
The two sources below provide reliable, basic citation guidance.