Cita APA (7th ed.)

United States. Government Printing Office. (2011). Keeping America informed: The U.S. Government Printing Office : 150 years of service to the nation. United States Government Printing Office.

Cita Chicago (17th ed.)

United States. Government Printing Office. Keeping America Informed: The U.S. Government Printing Office : 150 Years of Service to the Nation. [Washington, District of Columbia]: United States Government Printing Office, 2011.

Cita MLA (9th ed.)

United States. Government Printing Office. Keeping America Informed: The U.S. Government Printing Office : 150 Years of Service to the Nation. United States Government Printing Office, 2011.

Atenció: Aquestes cites poden no estar 100% correctes.