APA (7th ed.) Citation

Clune, J. W., & Denver, J. M. (2012). Residence time, chemical and isotopic analysis of nitrate in the groundwater and surface water of a small agricultural watershed in the coastal plain, Bucks Branch, Sussex County, Delaware. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Clune, John W., and J. M. Denver. Residence Time, Chemical and Isotopic Analysis of Nitrate in the Groundwater and Surface Water of a Small Agricultural Watershed in the Coastal Plain, Bucks Branch, Sussex County, Delaware. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2012.

MLA (9th ed.) Citation

Clune, John W., and J. M. Denver. Residence Time, Chemical and Isotopic Analysis of Nitrate in the Groundwater and Surface Water of a Small Agricultural Watershed in the Coastal Plain, Bucks Branch, Sussex County, Delaware. U.S. Department of the Interior, U.S. Geological Survey, 2012.