APA (7th ed.) Citation

United States. War Department. (1935). Training Regulations No. 440-15: Air Corps: Employment of the Air Forces of the Army. [s.n.].

Chicago Style (17th ed.) Citation

United States. War Department. Training Regulations No. 440-15: Air Corps: Employment of the Air Forces of the Army. [Washington]: [s.n.], 1935.

MLA (9th ed.) Citation

United States. War Department. Training Regulations No. 440-15: Air Corps: Employment of the Air Forces of the Army. [s.n.], 1935.