APA (7th ed.) Citation

National Water-Quality Assessment Program (U.S.), Geological Survey (U.S.), & Hainly, R. A. (2001). Summary of and factors affecting pesticide concentrations in streams and shallow wells of the lower Susquehanna River basin, Pennsylvania and Maryland, 1993-95. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

National Water-Quality Assessment Program (U.S.), Geological Survey (U.S.), and Robert A. Hainly. Summary of and Factors Affecting Pesticide Concentrations in Streams and Shallow Wells of the Lower Susquehanna River Basin, Pennsylvania and Maryland, 1993-95. New Cumberland, Pa.: U.S. Dept. of the Interior, U.S. Geological Survey, 2001.

MLA (9th ed.) Citation

National Water-Quality Assessment Program (U.S.), et al. Summary of and Factors Affecting Pesticide Concentrations in Streams and Shallow Wells of the Lower Susquehanna River Basin, Pennsylvania and Maryland, 1993-95. U.S. Dept. of the Interior, U.S. Geological Survey, 2001.