APA (7th ed.) Citation

United States. Department of the Army. (1968). Topographic symbols. U.S. G.P.O..

Chicago Style (17th ed.) Citation

United States. Department of the Army. Topographic Symbols. Washington, D.C.: U.S. G.P.O., 1968.

MLA (9th ed.) Citation

United States. Department of the Army. Topographic Symbols. U.S. G.P.O., 1968.

Warning: These citations may not always be 100% accurate.