Washington (State). Department of Ecology. (2001). An aquatic plant identification manual for Washington's freshwater plants. The Dept..
Chicago Style (17th ed.) CitationWashington (State). Department of Ecology. An Aquatic Plant Identification Manual for Washington's Freshwater Plants. [Olympia, Wash.]: The Dept., 2001.
MLA (8th ed.) CitationWashington (State). Department of Ecology. An Aquatic Plant Identification Manual for Washington's Freshwater Plants. The Dept., 2001.
Warning: These citations may not always be 100% accurate.