APA (7th ed.) Citation

United States. Army. Corps of Engineers. North Central Division. (1991). Upper Mississippi River System environmental management program. U.S. Army Corps of Engineers, North Central Division.

Chicago Style (17th ed.) Citation

United States. Army. Corps of Engineers. North Central Division. Upper Mississippi River System Environmental Management Program. Chicago, Ill.: U.S. Army Corps of Engineers, North Central Division, 1991.

MLA (9th ed.) Citation

United States. Army. Corps of Engineers. North Central Division. Upper Mississippi River System Environmental Management Program. U.S. Army Corps of Engineers, North Central Division, 1991.