APA

United States, . (1963). Water Resources Research Act: hearings, 88th Congress, 1st session, on S. 2, Feb. 19 and 20, 1963. [Washington, D.C.]: .

Chicago

United States, . 1963. Water Resources Research Act: hearings, 88th Congress, 1st session, on S. 2, Feb. 19 and 20, 1963. [Washington, D.C.]: .

Harvard

United States, . (1963). Water Resources Research Act: hearings, 88th Congress, 1st session, on S. 2, Feb. 19 and 20, 1963. [Washington, D.C.]: .

MLA

United States, . Water Resources Research Act: hearings, 88th Congress, 1st session, on S. 2, Feb. 19 and 20, 1963. [Washington, D.C.]: . 1963.