United States. Army. Corps of Engineers. (1990). Great Lakes-St. Lawrence River regulation: What it means and how it works ([1st ed.. 1990].). Environment Canada ; US Army Corps of Engineers.
Chicago Style (17th ed.) CitationUnited States. Army. Corps of Engineers. Great Lakes-St. Lawrence River Regulation: What It Means and How It Works. [1st ed.. 1990]. [Burlington, Ont.] : [Fort Belvoir, Va.]: Environment Canada ; US Army Corps of Engineers, 1990.
MLA (9th ed.) CitationUnited States. Army. Corps of Engineers. Great Lakes-St. Lawrence River Regulation: What It Means and How It Works. [1st ed.. 1990]. Environment Canada ; US Army Corps of Engineers, 1990.
Warning: These citations may not always be 100% accurate.