United States. Army. Ordnance Department. (1922). Service handbook of 9.2-inch howitzer materiel, model of 1917 (Vickers Mark I), and 9.2-inch howitzer materiel, model of 1918 (Vickers Mark II). [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Army. Ordnance Department. Service Handbook of 9.2-inch Howitzer Materiel, Model of 1917 (Vickers Mark I), and 9.2-inch Howitzer Materiel, Model of 1918 (Vickers Mark II). Washington: [publisher not identified], 1922.
MLA (9th ed.) CitationUnited States. Army. Ordnance Department. Service Handbook of 9.2-inch Howitzer Materiel, Model of 1917 (Vickers Mark I), and 9.2-inch Howitzer Materiel, Model of 1918 (Vickers Mark II). [publisher not identified], 1922.
Warning: These citations may not always be 100% accurate.