APA

United States, . (1956). Memorandum from Chairman on S. Res. 281: conservation and development of land and water resources relating to Congress and Executive agencies. Washington, [D.C.]: .

Chicago

United States, . 1956. Memorandum from Chairman on S. Res. 281: conservation and development of land and water resources relating to Congress and Executive agencies. Washington, [D.C.]: .

Harvard

United States, . (1956). Memorandum from Chairman on S. Res. 281: conservation and development of land and water resources relating to Congress and Executive agencies. Washington, [D.C.]: .

MLA

United States, . Memorandum from Chairman on S. Res. 281: conservation and development of land and water resources relating to Congress and Executive agencies. Washington, [D.C.]: . 1956.