16-inch seacoast gun materiel :
gun Mk. II M1 : Barbette carriage M4 /
prepared under the direction of the Chief of Ordnance.

APA Citation

United States. Army. Ordnance Department., United States. War Department. (1942). 16-inch seacoast gun materiel: gun Mk. II M1 : Barbette carriage M4. Washington, D.C.: War Dept..

MLA Citation

United States. Army. Ordnance Department, and United States. War Department. 16-inch Seacoast Gun Materiel: Gun Mk. II M1 : Barbette Carriage M4. Washington, D.C.: War Dept., 1942.

Warning: These citations may not always be complete (especially for serials).