Squillace, P. J., & Engberg, R. A. (1988). Surface-water quality of the Cedar River Basin, Iowa-Minnesota, with emphasis on the occurrence and transport of herbicides, May 1984 through No vember 1985. U.S. Geological Survey.
Chicago Style (17th ed.) CitationSquillace, Paul J., and R. A. Engberg. Surface-water Quality of the Cedar River Basin, Iowa-Minnesota, with Emphasis on the Occurrence and Transport of Herbicides, May 1984 Through No Vember 1985. Iowa City, Iowa: U.S. Geological Survey, 1988.
MLA (9th ed.) CitationSquillace, Paul J., and R. A. Engberg. Surface-water Quality of the Cedar River Basin, Iowa-Minnesota, with Emphasis on the Occurrence and Transport of Herbicides, May 1984 Through No Vember 1985. U.S. Geological Survey, 1988.
Warning: These citations may not always be 100% accurate.