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.
Citação do estilo Chicago (17ª 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.
Citação MLA (9ª 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.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.