Geological Survey (U.S.). (1998). Herbicides in ground water of the Midwest: A regional study of shallow aquifers, 1991-94. [U.S. Dept. of the Interior, U.S. Geological Survey].
Chicago Style (17th ed.) CitationGeological Survey (U.S.). Herbicides in Ground Water of the Midwest: A Regional Study of Shallow Aquifers, 1991-94. [Reston, Va.]: [U.S. Dept. of the Interior, U.S. Geological Survey], 1998.
MLA (9th ed.) CitationGeological Survey (U.S.). Herbicides in Ground Water of the Midwest: A Regional Study of Shallow Aquifers, 1991-94. [U.S. Dept. of the Interior, U.S. Geological Survey], 1998.
Warning: These citations may not always be 100% accurate.