APA

United States, . (1950). Columbia River basin: hearings, 81st Congress, 1st and 2d sessions, on H.R. 5472, Oct. 10, 1949-Feb. 27, 1950. [Washington, D.C.]: .

Chicago

United States, . 1950. Columbia River basin: hearings, 81st Congress, 1st and 2d sessions, on H.R. 5472, Oct. 10, 1949-Feb. 27, 1950. [Washington, D.C.]: .

Harvard

United States, . (1950). Columbia River basin: hearings, 81st Congress, 1st and 2d sessions, on H.R. 5472, Oct. 10, 1949-Feb. 27, 1950. [Washington, D.C.]: .

MLA

United States, . Columbia River basin: hearings, 81st Congress, 1st and 2d sessions, on H.R. 5472, Oct. 10, 1949-Feb. 27, 1950. [Washington, D.C.]: . 1950.