United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Science and Space. (2011). Challenges and opportunities in the NASA fiscal year 2011 budget proposal: Hearing before the Subcommittee on Science and Space of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Eleventh Congress, second session, February 24, 2010. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Science and Space. Challenges and Opportunities in the NASA Fiscal Year 2011 Budget Proposal: Hearing Before the Subcommittee on Science and Space of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Eleventh Congress, Second Session, February 24, 2010. Washington: U.S. G.P.O., 2011.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Science and Space. Challenges and Opportunities in the NASA Fiscal Year 2011 Budget Proposal: Hearing Before the Subcommittee on Science and Space of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Eleventh Congress, Second Session, February 24, 2010. U.S. G.P.O., 2011.