12-inch seacoast materiel :
12-inch mortar M1890MI mounted on 12-inch mortar carriage M1896MI and M1896MII /
prepared under the direction of the Chief of Ordnance.
APA Citation
United States. War Department., United States. Army. Ordnance Department. (1942). 12-inch seacoast materiel: 12-inch mortar M1890MI mounted on 12-inch mortar carriage M1896MI and M1896MII. Washington, D.C.: War Dept. .
MLA Citation
United States. War Department, and United States. Army. Ordnance Department. 12-inch Seacoast Materiel: 12-inch Mortar M1890MI Mounted On 12-inch Mortar Carriage M1896MI And M1896MII. Washington, D.C.: War Dept. , 1942.
Warning: These citations may not always be complete (especially for serials).