APA (7th ed.) Citation

United States. Army. Air Corps. (1920). Tactical manual of aerial bombardment. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Army. Air Corps. Tactical Manual of Aerial Bombardment. Washington: U.S. GPO, 1920.

MLA (9th ed.) Citation

United States. Army. Air Corps. Tactical Manual of Aerial Bombardment. U.S. GPO, 1920.

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