APA (7th ed.) Citation

United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on National Parks. (2009). National parks bills: Hearing before the Subcommittee on National Parks of the Committee on Energy and Natural Resources, United States Senate, One Hundred Eleventh Congress, first session, on S. 635, S. 715, S. 742, S. 1270, S. 1418, H.R. 2330, H.R. 2430, July 22, 2009. U.S. G.P.O..

Chicago Style (17th ed.) Citation

United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on National Parks. National Parks Bills: Hearing Before the Subcommittee on National Parks of the Committee on Energy and Natural Resources, United States Senate, One Hundred Eleventh Congress, First Session, on S. 635, S. 715, S. 742, S. 1270, S. 1418, H.R. 2330, H.R. 2430, July 22, 2009. Washington: U.S. G.P.O., 2009.

MLA (9th ed.) Citation

United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on National Parks. National Parks Bills: Hearing Before the Subcommittee on National Parks of the Committee on Energy and Natural Resources, United States Senate, One Hundred Eleventh Congress, First Session, on S. 635, S. 715, S. 742, S. 1270, S. 1418, H.R. 2330, H.R. 2430, July 22, 2009. U.S. G.P.O., 2009.