The Jacobson Center for Writing, Teaching and Learningoffers 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 57 (pg. 67 in pdf file).
The Writing Process Series breaks the writing process down into steps and offers advice and strategies relevant to the main issues confronting most writers.