Simpson, J. T. (1991). Volunteer lake monitoring: A methods manual. U.S. Environmental Protection Agency, Office of Wetlands, Oceans, and Watersheds, Assessment & Watershed Protection Division.
Chicago Style (17th ed.) CitationSimpson, Jonathan T. Volunteer Lake Monitoring: A Methods Manual. Washington, D.C. (401 M St., S.W., Washington 20460): U.S. Environmental Protection Agency, Office of Wetlands, Oceans, and Watersheds, Assessment & Watershed Protection Division, 1991.
MLA (9th ed.) CitationSimpson, Jonathan T. Volunteer Lake Monitoring: A Methods Manual. U.S. Environmental Protection Agency, Office of Wetlands, Oceans, and Watersheds, Assessment & Watershed Protection Division, 1991.
Warning: These citations may not always be 100% accurate.