Willoughby, T. C. (2000). Quality of wet deposition in the Grand Calumet River Watershed, Northwestern Indiana, October 17, 1995-November 12, 1996. U.S. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationWilloughby, Timothy C. Quality of Wet Deposition in the Grand Calumet River Watershed, Northwestern Indiana, October 17, 1995-November 12, 1996. Indianapolis, Indiana: U.S. Department of the Interior, U.S. Geological Survey, 2000.
MLA (9th ed.) CitationWilloughby, Timothy C. Quality of Wet Deposition in the Grand Calumet River Watershed, Northwestern Indiana, October 17, 1995-November 12, 1996. U.S. Department of the Interior, U.S. Geological Survey, 2000.
Warning: These citations may not always be 100% accurate.