APA (7th ed.) Citation

United States. War Department. (1942). Army Regulations, No. 105-40, Change 1: Signal Corps, Operation and Maintenance of United States Military Telegraph Lines. [s.n.].

Chicago Style (17th ed.) Citation

United States. War Department. Army Regulations, No. 105-40, Change 1: Signal Corps, Operation and Maintenance of United States Military Telegraph Lines. [Washington]: [s.n.], 1942.

MLA (9th ed.) Citation

United States. War Department. Army Regulations, No. 105-40, Change 1: Signal Corps, Operation and Maintenance of United States Military Telegraph Lines. [s.n.], 1942.