Uncle Sam: Brief Guide to Citing Government Publications University of Memphis Libraries
Many examples for online and "tangible" resources.
Citing Government Documents/Government Agency Style Manuals University of North Texas Libraries
Longer list of guides to citing government information; agency-specific citation guides and style manuals; guides to citing foreign government publications.
Citing Government Information Sources Using the MLA Style University of Nevada, Reno Libraries
Examples for a variety of formats and levels of government.
The Complete Guide to Citing Government Information Resources: a Manual for Social Science & Business Research.
3rd edition. Debora Cheney.
In the library: J 9.5 .G37 2002 Collection Level and Government Information Reference
ncludes electronic formats.