APA

United States, . (1968). San Gabriel, Washakie, and Mount Jefferson Wilderness areas: hearings before Subcommittee on Public Lands, 90th Congress, 2d session, on S. 2531, S. 2630, and S. 2751, Feb. 19 and 20, 1968. [Washington, D.C.]: .

Chicago

United States, . 1968. San Gabriel, Washakie, and Mount Jefferson Wilderness areas: hearings before Subcommittee on Public Lands, 90th Congress, 2d session, on S. 2531, S. 2630, and S. 2751, Feb. 19 and 20, 1968. [Washington, D.C.]: .

Harvard

United States, . (1968). San Gabriel, Washakie, and Mount Jefferson Wilderness areas: hearings before Subcommittee on Public Lands, 90th Congress, 2d session, on S. 2531, S. 2630, and S. 2751, Feb. 19 and 20, 1968. [Washington, D.C.]: .

MLA

United States, . San Gabriel, Washakie, and Mount Jefferson Wilderness areas: hearings before Subcommittee on Public Lands, 90th Congress, 2d session, on S. 2531, S. 2630, and S. 2751, Feb. 19 and 20, 1968. [Washington, D.C.]: . 1968.