Revised regulations for the Army of the United States, 1861 :
with a full index /
by authority of the War Dept.

APA Citation

United States. War Dept. (1980). Revised regulations for the Army of the United States, 1861: with a full index. Philadelphia: National Historical Society.

MLA Citation

United States. War Dept. Revised Regulations for the Army of the United States, 1861: With a Full Index. Philadelphia: National Historical Society, 1980.

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