APA

United States, . (1972). Spanish Peaks wilderness area: hearing before Subcommittee on Public Laws, 92d Congress, 2d session, on S. 1849, Aug. 28, 1972. [Washington, D.C.]: .

Chicago

United States, . 1972. Spanish Peaks wilderness area: hearing before Subcommittee on Public Laws, 92d Congress, 2d session, on S. 1849, Aug. 28, 1972. [Washington, D.C.]: .

Harvard

United States, . (1972). Spanish Peaks wilderness area: hearing before Subcommittee on Public Laws, 92d Congress, 2d session, on S. 1849, Aug. 28, 1972. [Washington, D.C.]: .

MLA

United States, . Spanish Peaks wilderness area: hearing before Subcommittee on Public Laws, 92d Congress, 2d session, on S. 1849, Aug. 28, 1972. [Washington, D.C.]: . 1972.