APA

United States, . (1959). Comparison of U.S. and Russian activities in the mineral resources field. [Washington, D.C: .

Chicago

United States, . 1959. Comparison of U.S. and Russian activities in the mineral resources field. [Washington, D.C: .

Harvard

United States, . (1959). Comparison of U.S. and Russian activities in the mineral resources field. [Washington, D.C: .

MLA

United States, . Comparison of U.S. and Russian activities in the mineral resources field. [Washington, D.C: . 1959.