Geological Survey (U.S.) & Greeson, P. E. (1981). Biota and biological parameters as environmental indicators. U.S. Dept. of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and Phillip E. Greeson. Biota and Biological Parameters as Environmental Indicators. [Reston, Va.]: U.S. Dept. of the Interior, Geological Survey, 1981.
MLA (9th ed.) CitationGeological Survey (U.S.) and Phillip E. Greeson. Biota and Biological Parameters as Environmental Indicators. U.S. Dept. of the Interior, Geological Survey, 1981.
Warning: These citations may not always be 100% accurate.