United States. Congress. Senate. Committee on Commerce, Science, and Transportation. (2010). Nominations to the Department of Transportation, the Department of Commerce, and the Executive Office of the President: Hearing before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Eleventh Congress, first session, April 21, 2009. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Commerce, Science, and Transportation. Nominations to the Department of Transportation, the Department of Commerce, and the Executive Office of the President: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Eleventh Congress, First Session, April 21, 2009. Washington: U.S. G.P.O., 2010.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Commerce, Science, and Transportation. Nominations to the Department of Transportation, the Department of Commerce, and the Executive Office of the President: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Eleventh Congress, First Session, April 21, 2009. U.S. G.P.O., 2010.