What, exactly, is plagiarism? Why is it important? This site can help you understand the ins and outs of plagiarism and the importance of citing your sources.
Types of Use - Summarizing
Text is much shorter than original quote or document
Must use your own words with limited use of quotations
Must reference original source
Types of Use - Paraphrasing
Text may be shorter or longer than original quote or document
Must use your own words
Must reference original source
Types of Use - Quoting
Text is exact length of original, unless ellipses are used
Author's exact words are used
Use of quotation marks around exact words
Must reference original source
Include page number
What's the Common Denominator?
You must reference the original source, no matter how you use another's words
Even if the words are changed, anytime you use someone else's work, you always attribute credit to them