Why?
See: Avoiding Plagiarism for more reasons and tips
How?
See: Standard Documentation Formats by UofT's Writing Centre for help to cite sources and avoid plagiarism.
Tools!
See: Citation Management for a comparison of tools and for links to guides for each tool
RefWorks - LOG IN to this web-based citation and bibliographic tool
Guide to Refworks - an online guide created by Scholars Portal
Workshops on RefWorks- scroll through this list of UTL workshops to find those on RefWorks