APA (7th ed.) Citation

Bell, R. W., Joseph, R. L., & Freiwald, D. A. (1996). Water-quality assessment of the Ozark plateaus study unit, Arkansas, Kansas, Missouri, and Oklahoma: Summary of information on pesticides, 1970-90. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Bell, Richard W., Robert L. Joseph, and D. A. Freiwald. Water-quality Assessment of the Ozark Plateaus Study Unit, Arkansas, Kansas, Missouri, and Oklahoma: Summary of Information on Pesticides, 1970-90. Little Rock, Arkansas: U.S. Geological Survey, 1996.

MLA (9th ed.) Citation

Bell, Richard W., et al. Water-quality Assessment of the Ozark Plateaus Study Unit, Arkansas, Kansas, Missouri, and Oklahoma: Summary of Information on Pesticides, 1970-90. U.S. Geological Survey, 1996.