APA (7th ed.) Citation

United States. Army. Ordnance Department. (1919). Method of numerical integration in exterior ballistics, ordnance textbook. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Army. Ordnance Department. Method of Numerical Integration in Exterior Ballistics, Ordnance Textbook. Washington: U.S. GPO, 1919.

MLA (9th ed.) Citation

United States. Army. Ordnance Department. Method of Numerical Integration in Exterior Ballistics, Ordnance Textbook. U.S. GPO, 1919.

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