United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on National Parks. (2008). Miscellaneous national parks bills: Hearing before the Subcommittee on National Parks of the Committee on Energy and Natural Resources, United States Senate, One Hundred Tenth Congress, second session, on S. 1816, S. 2093, S. 2535, S. 2561, S. 3011, S. 3113, S. 3148, S. 3158, S. 3226, S. 3247, H.R. 5137, July 30, 2008. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on National Parks. Miscellaneous National Parks Bills: Hearing Before the Subcommittee on National Parks of the Committee on Energy and Natural Resources, United States Senate, One Hundred Tenth Congress, Second Session, on S. 1816, S. 2093, S. 2535, S. 2561, S. 3011, S. 3113, S. 3148, S. 3158, S. 3226, S. 3247, H.R. 5137, July 30, 2008. Washington: U.S. G.P.O., 2008.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on National Parks. Miscellaneous National Parks Bills: Hearing Before the Subcommittee on National Parks of the Committee on Energy and Natural Resources, United States Senate, One Hundred Tenth Congress, Second Session, on S. 1816, S. 2093, S. 2535, S. 2561, S. 3011, S. 3113, S. 3148, S. 3158, S. 3226, S. 3247, H.R. 5137, July 30, 2008. U.S. G.P.O., 2008.