The Bluebook: A Uniform System of Citation. 19th ed. - Ref KF 245.U55 2010 The Authoritative guide for citing legal materials.
The Complete Guide to Citing Government Information Resources: A Manual for Writers and Librarians - Ref Z7164.67 G37
Citing U.S. Government Publications A detailed guide from Indiana University Bloomington
Citing Records in the National Archives of the United States