APA

United States, . (1972). Designating Rock Creek in Montana as part of wild and scenic rivers system: hearing before Subcommittee on Public Lands, 92d Congress, 2d session, on S. 2132, Aug. 29, 1972. [Washington, D.C.]: .

Chicago

United States, . 1972. Designating Rock Creek in Montana as part of wild and scenic rivers system: hearing before Subcommittee on Public Lands, 92d Congress, 2d session, on S. 2132, Aug. 29, 1972. [Washington, D.C.]: .

Harvard

United States, . (1972). Designating Rock Creek in Montana as part of wild and scenic rivers system: hearing before Subcommittee on Public Lands, 92d Congress, 2d session, on S. 2132, Aug. 29, 1972. [Washington, D.C.]: .

MLA

United States, . Designating Rock Creek in Montana as part of wild and scenic rivers system: hearing before Subcommittee on Public Lands, 92d Congress, 2d session, on S. 2132, Aug. 29, 1972. [Washington, D.C.]: . 1972.