APA (7th ed.) Citation

United States. Army. Air Corps. (1928). Air Corps: Air intelligence regulations. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Army. Air Corps. Air Corps: Air Intelligence Regulations. Washington: U.S. GPO, 1928.

MLA (8th ed.) Citation

United States. Army. Air Corps. Air Corps: Air Intelligence Regulations. U.S. GPO, 1928.

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