Ordnance maintenance :
antiaircraft battery commander's observation instrument M1 /
prepared under the direction of the Chief of Ordnance.
APA Citation
United States. War Department., United States. Army. Ordnance Department. (1943). Ordnance maintenance: antiaircraft battery commander's observation instrument M1. Washington [D.C.]: War Dept..
MLA Citation
United States. War Department, and United States. Army. Ordnance Department. Ordnance Maintenance: Antiaircraft Battery Commander's Observation Instrument M1. Washington [D.C.]: War Dept., 1943.
Warning: These citations may not always be complete (especially for serials).