Zotero is a free research tool. Use it to:
We recommend Zotero for Firefox, to work directly from your web browser. [also available for Chrome, Safari, and IE]
Learn more at Zotero.org. or visit the Libraries guide for Zotero.
Citing Sources (Duke University Library) Guides for Turabian, Chicago Manual of Style, MLA, and APA. Includes examples of types of works cited, plus information on when to cite and avoiding plagiarism.
Up-to-date style guides are available in Young Library's Reference section. If you need more help, make an appointment with a reference librarian or Ask Us, or use Smith's Citation Guides & Style Manuals help pages, or online software - RefWorks or Zotero.
The Jacobson Center for Writing, Teaching and Learning offers individual help with writing and also this useful guide:
Writing Papers: A Handbook for Students at Smith College
http://www.smith.edu/jacobsoncenter/writing/writing_papers.pdf
Read "Acknowledging and Documenting Your Sources" starting on page 49 (pg. 57 in pdf file).