APA (7th ed.) Citation

United States. Army. Ordnance Department & Firestone, C. B. (1920). Ordnance districts, 1918-1919. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Army. Ordnance Department and Clark B. Firestone. Ordnance Districts, 1918-1919. Washington: U.S. GPO, 1920.

MLA (9th ed.) Citation

United States. Army. Ordnance Department and Clark B. Firestone. Ordnance Districts, 1918-1919. U.S. GPO, 1920.

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