United States. Congress. House. Committee on Science, Space, and Technology (2011- ). (2014). Mars flyby 2021: The first deep space mission for the Orion and space launch system : hearing before the Committee on Science, Space, and Technology, House of Representatives, One Hundred Thirteenth Congress, second session, February 27, 2014. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Science, Space, and Technology (2011- ). Mars Flyby 2021: The First Deep Space Mission for the Orion and Space Launch System : Hearing Before the Committee on Science, Space, and Technology, House of Representatives, One Hundred Thirteenth Congress, Second Session, February 27, 2014. Washington: U.S. Government Printing Office, 2014.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Science, Space, and Technology (2011- ). Mars Flyby 2021: The First Deep Space Mission for the Orion and Space Launch System : Hearing Before the Committee on Science, Space, and Technology, House of Representatives, One Hundred Thirteenth Congress, Second Session, February 27, 2014. U.S. Government Printing Office, 2014.