United States. Congress. Senate. Committee on Interior and Insular Affairs. Subcommittee on Public Lands & ProQuest (Firm). (1973). Colorado Wilderness Areas: Hearings before the Subcommittee on Public Lands, Committee on Interior and Insular Affairs, United States Senate, Ninety-Third Congress, first session. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Interior and Insular Affairs. Subcommittee on Public Lands and ProQuest (Firm). Colorado Wilderness Areas: Hearings Before the Subcommittee on Public Lands, Committee on Interior and Insular Affairs, United States Senate, Ninety-Third Congress, First Session. Washington: U.S. G.P.O., 1973.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Interior and Insular Affairs. Subcommittee on Public Lands and ProQuest (Firm). Colorado Wilderness Areas: Hearings Before the Subcommittee on Public Lands, Committee on Interior and Insular Affairs, United States Senate, Ninety-Third Congress, First Session. U.S. G.P.O., 1973.