APA (7th ed.) Citation

United States. Department of the Army. (1955). Engineer topographic units. [U.S. Govt. Print. Off.].

Chicago Style (17th ed.) Citation

United States. Department of the Army. Engineer Topographic Units. [Washington]: [U.S. Govt. Print. Off.], 1955.

MLA (9th ed.) Citation

United States. Department of the Army. Engineer Topographic Units. [U.S. Govt. Print. Off.], 1955.

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