Allen, H. E. (1973). Seasonal variation of nitrogen, phosphorous, and chlorophyll a in Lake Michigan and Green Bay, 1965. U.S. Dept. of the Interior, Fish and Wildlife Service, Bureau of Sport Fisheries and Wildlife.
Chicago Style (17th ed.) CitationAllen, Herbert E. Seasonal Variation of Nitrogen, Phosphorous, and Chlorophyll a in Lake Michigan and Green Bay, 1965. Washington, D.C.: U.S. Dept. of the Interior, Fish and Wildlife Service, Bureau of Sport Fisheries and Wildlife, 1973.
MLA (9th ed.) CitationAllen, Herbert E. Seasonal Variation of Nitrogen, Phosphorous, and Chlorophyll a in Lake Michigan and Green Bay, 1965. U.S. Dept. of the Interior, Fish and Wildlife Service, Bureau of Sport Fisheries and Wildlife, 1973.
Warning: These citations may not always be 100% accurate.