APA (7th ed.) Citation

Koerkle, E. H., Pennsylvania. Department of Environmental Protection., & Geological Survey (U.S.). (1996). Evaluation of agricultural best-management practices in the Conestoga River Headwaters, Pennsylvania: Effects of nutrient management on water quality in the Little Conestoga Creek Headwaters, 1983-89. U.S. Dept. of the Interior, U.S. Geological Survey : Earth Science Information Center, Open-File Reports Section [distributor].

Chicago Style (17th ed.) Citation

Koerkle, Edward H., Pennsylvania. Department of Environmental Protection, and Geological Survey (U.S.). Evaluation of Agricultural Best-management Practices in the Conestoga River Headwaters, Pennsylvania: Effects of Nutrient Management On Water Quality in the Little Conestoga Creek Headwaters, 1983-89. Lemoyne, Pa.: U.S. Dept. of the Interior, U.S. Geological Survey : Earth Science Information Center, Open-File Reports Section [distributor], 1996.

MLA (8th ed.) Citation

Koerkle, Edward H., et al. Evaluation of Agricultural Best-management Practices in the Conestoga River Headwaters, Pennsylvania: Effects of Nutrient Management On Water Quality in the Little Conestoga Creek Headwaters, 1983-89. U.S. Dept. of the Interior, U.S. Geological Survey : Earth Science Information Center, Open-File Reports Section [distributor], 1996.