Geological Survey (U.S.), United States. Environmental Protection Agency, Oregon. Department of Environmental Quality, Frans, L., Paulson, A., Richerson, P., . . . Black, C. (2009). Evaluation of sources of nitrate beneath food processing wastewater-application sites near Umatilla, Oregon. U.S. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), United States. Environmental Protection Agency, Oregon. Department of Environmental Quality, Lonna Frans, Anthony Paulson, Phil Richerson, Elise Striz, and Curt Black. Evaluation of Sources of Nitrate Beneath Food Processing Wastewater-application Sites Near Umatilla, Oregon. Reston, Va.: U.S. Dept. of the Interior, U.S. Geological Survey, 2009.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Evaluation of Sources of Nitrate Beneath Food Processing Wastewater-application Sites Near Umatilla, Oregon. U.S. Dept. of the Interior, U.S. Geological Survey, 2009.