United States. Congress. Senate. Committee on Commerce, Science, and Transportation. (2011). Securing the nation's rail and other surface transportation networks: Hearing before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Eleventh Congress, second session, April 21, 2010. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Commerce, Science, and Transportation. Securing the Nation's Rail and Other Surface Transportation Networks: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Eleventh Congress, Second Session, April 21, 2010. Washington: U.S. G.P.O., 2011.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Commerce, Science, and Transportation. Securing the Nation's Rail and Other Surface Transportation Networks: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Eleventh Congress, Second Session, April 21, 2010. U.S. G.P.O., 2011.