APA

United States, . (1972). Designating segment of St. Croix as part of wild and scenic rivers system: hearing before Subcommittee on Public Lands, 92d Congress, 1st and 2d sessions, on S. 1928, Oct. 23, 1971, and Apr. 14, 1972. [Washington, D.C.]: .

Chicago

United States, . 1972. Designating segment of St. Croix as part of wild and scenic rivers system: hearing before Subcommittee on Public Lands, 92d Congress, 1st and 2d sessions, on S. 1928, Oct. 23, 1971, and Apr. 14, 1972. [Washington, D.C.]: .

Harvard

United States, . (1972). Designating segment of St. Croix as part of wild and scenic rivers system: hearing before Subcommittee on Public Lands, 92d Congress, 1st and 2d sessions, on S. 1928, Oct. 23, 1971, and Apr. 14, 1972. [Washington, D.C.]: .

MLA

United States, . Designating segment of St. Croix as part of wild and scenic rivers system: hearing before Subcommittee on Public Lands, 92d Congress, 1st and 2d sessions, on S. 1928, Oct. 23, 1971, and Apr. 14, 1972. [Washington, D.C.]: . 1972.