APA (7th ed.) Citation

Ferrari, M. J., & Denis, J. M. (1999). Water-quality assessment of the Potomac River Basin: Occurrence of pesticides in the Great Valley Carbonate subunit. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Ferrari, Matthew J., and Janet M. Denis. Water-quality Assessment of the Potomac River Basin: Occurrence of Pesticides in the Great Valley Carbonate Subunit. Baltimore, Md.: U.S. Dept. of the Interior, U.S. Geological Survey, 1999.

MLA (9th ed.) Citation

Ferrari, Matthew J., and Janet M. Denis. Water-quality Assessment of the Potomac River Basin: Occurrence of Pesticides in the Great Valley Carbonate Subunit. U.S. Dept. of the Interior, U.S. Geological Survey, 1999.