APA (7th ed.) Citation

United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on National Parks, Historic Preservation, and Recreation, & ProQuest (Firm). (1997). National park system user fees: Hearing before the Subcommittee on National Parks, Historic Preservation, and Recreation of the Committee on Energy and Natural Resources, United States Senate, One Hundred Fifth Congress, first session ... June 19, 1997. U.S. G.P.O..

Chicago Style (17th ed.) Citation

United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on National Parks, Historic Preservation, and Recreation, and ProQuest (Firm). National Park System User Fees: Hearing Before the Subcommittee on National Parks, Historic Preservation, and Recreation of the Committee on Energy and Natural Resources, United States Senate, One Hundred Fifth Congress, First Session ... June 19, 1997. Washington: U.S. G.P.O., 1997.

MLA (9th ed.) Citation

United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on National Parks, Historic Preservation, and Recreation, and ProQuest (Firm). National Park System User Fees: Hearing Before the Subcommittee on National Parks, Historic Preservation, and Recreation of the Committee on Energy and Natural Resources, United States Senate, One Hundred Fifth Congress, First Session ... June 19, 1997. U.S. G.P.O., 1997.