Your best source for help in writing your philosophy paper is your professor or GSI. Tanner Philosophy Library also has some books that are excellent sources of information. If you need some help at 3:00 a.m. however, these sites might be helpful.
A Sample Philosophy Paper by Angela Mendelovici (Professor @ University of Western Ontario). Paper is annotated which provides helpful comments about how and what you say; but note, citation formats can matter, check with your instructor).
Peter Horban's Guide to Writing a Philosophy Paper (Simon Fraser University)