For documentation, history papers use the Chicago Manual of Style, also known as the Turabian Style. A Manual for Writers, 6th ed. by Kate L. Turabian is the historian's Bible for citation and paper organization.  Turabian gives examples of how to do everything--number pages, cite tricky sources, make a title page, etc.  Always consult Turabian if you have a question about anything that has to do with citation and organization.  It is also a good idea to get some kind of a handbook for writers, such as The Little, Brown Essential Handbook for Writers by Jane E. Aaron.  Aaron's handbook is a great quick reference for all documentation styles.  It includes examples of Chicago, MLA, and APA.  Chances are you will have to use all three of these styles throughout your college career for different types of classes, so the handbook will give you a great advantage when you need to use a style with which you are unfamiliar.