APA

United States, . (1951). Defense minerals: hearings, 82d Congress, 1st session, on defense minerals program, Jan. 19-Feb. 13, 1951. [Washington, D.C.]: .

Chicago

United States, . 1951. Defense minerals: hearings, 82d Congress, 1st session, on defense minerals program, Jan. 19-Feb. 13, 1951. [Washington, D.C.]: .

Harvard

United States, . (1951). Defense minerals: hearings, 82d Congress, 1st session, on defense minerals program, Jan. 19-Feb. 13, 1951. [Washington, D.C.]: .

MLA

United States, . Defense minerals: hearings, 82d Congress, 1st session, on defense minerals program, Jan. 19-Feb. 13, 1951. [Washington, D.C.]: . 1951.