APA

United States, . (1971). Protection of wild horses and burros on public lands: hearing before Subcommittee on Public Lands, 92d Congress, on S. 862, S. 1116, S. 1090, and S. 1119, Apr. 20, 1971. [Washington, D.C.]: .

Chicago

United States, . 1971. Protection of wild horses and burros on public lands: hearing before Subcommittee on Public Lands, 92d Congress, on S. 862, S. 1116, S. 1090, and S. 1119, Apr. 20, 1971. [Washington, D.C.]: .

Harvard

United States, . (1971). Protection of wild horses and burros on public lands: hearing before Subcommittee on Public Lands, 92d Congress, on S. 862, S. 1116, S. 1090, and S. 1119, Apr. 20, 1971. [Washington, D.C.]: .

MLA

United States, . Protection of wild horses and burros on public lands: hearing before Subcommittee on Public Lands, 92d Congress, on S. 862, S. 1116, S. 1090, and S. 1119, Apr. 20, 1971. [Washington, D.C.]: . 1971.