United States. Congress. Senate. Committee on Homeland Security and Governmental Affairs. (2012). U.S. Postal Service in crisis: Proposals to prevent a postal shutdown : hearing before the Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Twelfth Congress, first session, September 6, 2011. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Homeland Security and Governmental Affairs. U.S. Postal Service in Crisis: Proposals to Prevent a Postal Shutdown : Hearing Before the Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Twelfth Congress, First Session, September 6, 2011. Washington: U.S. G.P.O., 2012.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Homeland Security and Governmental Affairs. U.S. Postal Service in Crisis: Proposals to Prevent a Postal Shutdown : Hearing Before the Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Twelfth Congress, First Session, September 6, 2011. U.S. G.P.O., 2012.