APA (7th ed.) Citation

United States. Army. Air Corps. (1921). Investigation of cork and air spacing of light armor plate. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Army. Air Corps. Investigation of Cork and Air Spacing of Light Armor Plate. Washington: U.S. GPO, 1921.

MLA (9th ed.) Citation

United States. Army. Air Corps. Investigation of Cork and Air Spacing of Light Armor Plate. U.S. GPO, 1921.

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