APA (7th ed.) Citation

United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on National Parks & ProQuest (Firm). (2007). Centennial challenge: Hearing before the Subcommittee on National Parks of the Committee on Energy and Natural Resources, United States Senate, One Hundred Tenth Congress, first session, to receive testimony on S. 1253, a bill to establish a fund for the National Park Centennial Challenge, and for other purposes, August 2, 2007. U.S. G.P.O..

Chicago Style (17th ed.) Citation

United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on National Parks and ProQuest (Firm). Centennial Challenge: Hearing Before the Subcommittee on National Parks of the Committee on Energy and Natural Resources, United States Senate, One Hundred Tenth Congress, First Session, to Receive Testimony on S. 1253, a Bill to Establish a Fund for the National Park Centennial Challenge, and for Other Purposes, August 2, 2007. Washington: U.S. G.P.O., 2007.

MLA (9th ed.) Citation

United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on National Parks and ProQuest (Firm). Centennial Challenge: Hearing Before the Subcommittee on National Parks of the Committee on Energy and Natural Resources, United States Senate, One Hundred Tenth Congress, First Session, to Receive Testimony on S. 1253, a Bill to Establish a Fund for the National Park Centennial Challenge, and for Other Purposes, August 2, 2007. U.S. G.P.O., 2007.