APA (7th ed.) Citation

United States. War Department. (1920). Theatre operation. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. War Department. Theatre Operation. Washington: [publisher not identified], 1920.

MLA (9th ed.) Citation

United States. War Department. Theatre Operation. [publisher not identified], 1920.

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