United States. Congress. House. Committee on Science. (2004). U.S. vision for space exploration: Hearing before the Committee on Science, House of Representatives, One Hundred Eighth Congress, second session, February 12, 2004. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Science. U.S. Vision for Space Exploration: Hearing Before the Committee on Science, House of Representatives, One Hundred Eighth Congress, Second Session, February 12, 2004. Washington: U.S. G.P.O., 2004.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Science. U.S. Vision for Space Exploration: Hearing Before the Committee on Science, House of Representatives, One Hundred Eighth Congress, Second Session, February 12, 2004. U.S. G.P.O., 2004.