The Corps of Engineers in the District of Columbia.
APA Citation
United States. Army. Corps of Engineers. Office of History. (2004). The Corps of Engineers in the District of Columbia. Washington, D.C.: U.S. Army Corps of Engineers, Office of History.
MLA Citation
United States. Army. Corps of Engineers. Office of History. The Corps of Engineers In the District of Columbia. Washington, D.C.: U.S. Army Corps of Engineers, Office of History, 2004.
Warning: These citations may not always be complete (especially for serials).