United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Space, Aeronautics, and Related Sciences. (2012). Issues facing the U.S. space program after retirement of the space shuttle: Hearing before the Subcommittee on Space, Aeronautics, and Related Sciences of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Tenth Congress, first session, November 15, 2007. ProQuest.
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Space, Aeronautics, and Related Sciences. Issues Facing the U.S. Space Program After Retirement of the Space Shuttle: Hearing Before the Subcommittee on Space, Aeronautics, and Related Sciences of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Tenth Congress, First Session, November 15, 2007. Bethesda, Md.: ProQuest, 2012.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Space, Aeronautics, and Related Sciences. Issues Facing the U.S. Space Program After Retirement of the Space Shuttle: Hearing Before the Subcommittee on Space, Aeronautics, and Related Sciences of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Tenth Congress, First Session, November 15, 2007. ProQuest, 2012.