United States. Army. Ordnance Department. (1900). Handbook of material for 7-inch siege Howitzer battery. GPO.
Chicago Style (17th ed.) CitationUnited States. Army. Ordnance Department. Handbook of Material for 7-inch Siege Howitzer Battery. [Washington]: GPO, 1900.
MLA (9th ed.) CitationUnited States. Army. Ordnance Department. Handbook of Material for 7-inch Siege Howitzer Battery. GPO, 1900.
Warning: These citations may not always be 100% accurate.