If authors, editors or compilers are provided, treat like any other book or report (paper).
Scalia, John. 1996. Noncitizens in the Federal criminal justice system, 1984-94 : Federal Justice Statistics Program. Special report United States. Bureau of Justice Statistics. Washington, D.C.: U.S. Dept. of Justice.
if no individual author is given, use the agency as the author. Include any report numbers if necessary (paper).
U.S. Bureau of the Census. 1993. We the American: Hispanics. Washington, DC: U.S. Government Printing Office.
If electronic, treat like above.
U.S. Congress. House. Committee on Government Reform. Subcommittee on the Census. 2001. Americans abroad, how can we count them? 107th Congress, 1st Session, July 26, 2001. Washington: U.S. Government Printing Office. Retrieved June 11, 2015 (http://www.gpo.gov/fdsys/pkg/CHRG-107hhrg75727/html/CHRG-107hhrg75727.htm)
For text citations, provide the minial information.
(U.S. Bureau of the Census. 1993)