Occasionally a government document will offer a suggested citation, usually on the front or back of the title page. You can often easily find all of the information needed for your citation by consulting one of the standard indexes, such as GPO’s Catalog of U.S. Government Publications or the ALICE library catalog. There is no universal format for citing government publications just like any other source of information. The following sites provide general guidelines to be used with your selected style manual.
How to Cite? from and for Lexis-Nexis Congressional covering bills, committee hearings, prints and reports, CRS reports, public laws, testimony and more.
Introduction to Basic Legal Citation by Peter W. Martin, Cornell University Law School LII- Examples include: Judicial Opinions, Constitutions & Statutes, Agengency Rules & Regulations.