Quick AnswerYou avoid plagiarism by citing every source you use, paraphrasing properly rather than lightly editing, quoting accurately, and keeping careful notes so you always know which ideas are yours. Plagiarism can be deliberate or accidental, and both can carry penalties.
Plagiarism is one of the most serious academic offences, and much of it is accidental — the result of sloppy note-taking or poor paraphrasing. The good news is that a few habits make it easy to avoid. Here is how.