APA (7th ed.) Citation

United States. Army. Signal Corps. (1931). Procurement of supplies and equipment. GPO.

Chicago Style (17th ed.) Citation

United States. Army. Signal Corps. Procurement of Supplies and Equipment. [Washington]: GPO, 1931.

MLA (9th ed.) Citation

United States. Army. Signal Corps. Procurement of Supplies and Equipment. GPO, 1931.

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