APA (7th ed.) Citation

Hall, D. W., Lietman, P. L., & Koerkle, E. H. (1997). Evaluation of agricultural best-management practices in the Conestoga River Headwaters, Pennsylvania: Effects of nutrient management on quality of surface runoff at a small carbonate-rock site near Ephrata, Pennsylvania, 1984-90. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Hall, David W., Patricia L. Lietman, and Edward H. Koerkle. Evaluation of Agricultural Best-management Practices in the Conestoga River Headwaters, Pennsylvania: Effects of Nutrient Management on Quality of Surface Runoff at a Small Carbonate-rock Site Near Ephrata, Pennsylvania, 1984-90. Lemoyne, Pennsylvania: U.S. Geological Survey, 1997.

MLA (9th ed.) Citation

Hall, David W., et al. Evaluation of Agricultural Best-management Practices in the Conestoga River Headwaters, Pennsylvania: Effects of Nutrient Management on Quality of Surface Runoff at a Small Carbonate-rock Site Near Ephrata, Pennsylvania, 1984-90. U.S. Geological Survey, 1997.