United States. Army. Ordnance Department. (1917). Directions for using, mounting, and dismounting 1.457-inch subcaliber guns in bore of field guns and howitzers. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Army. Ordnance Department. Directions for Using, Mounting, and Dismounting 1.457-inch Subcaliber Guns in Bore of Field Guns and Howitzers. Washington: U.S. GPO, 1917.
MLA (9th ed.) CitationUnited States. Army. Ordnance Department. Directions for Using, Mounting, and Dismounting 1.457-inch Subcaliber Guns in Bore of Field Guns and Howitzers. U.S. GPO, 1917.
Warning: These citations may not always be 100% accurate.