APA (7th ed.) Citation

United States. Army. Corps of Engineers. North Central Division. (1981). Water resources development in Iowa ... by the US Army Corps of Engineers. US Army Corps of Engineers, North Central Division.

Chicago Style (17th ed.) Citation

United States. Army. Corps of Engineers. North Central Division. Water Resources Development in Iowa ... by the US Army Corps of Engineers. [Chicago, Ill.]: US Army Corps of Engineers, North Central Division, 1981.

MLA (9th ed.) Citation

United States. Army. Corps of Engineers. North Central Division. Water Resources Development in Iowa ... by the US Army Corps of Engineers. US Army Corps of Engineers, North Central Division, 1981.