Why cite your sources?
You allow readers to:
- know your sources are reliable and current
- know where to find your information
- offer more information for others to use
- avoid plagiarism
Formatting Your Paper
The action or practice of taking someone else's work, idea, etc., and passing it off as one's own; literary theft. --Oxford English Dictionary
Note: It's still plagiarism, even if you didn't do it intentionally.