APA (7th ed.) Citation

Hamilton, P. A., Shedlock, R. J., & Phillips, P. J. (1991). Water-quality assessment of the Delmarva Peninsula, Delaware, Maryland, and Virginia--analysis of available ground-water-quality data through 1987. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Hamilton, P. A., Robert J. Shedlock, and P. J. Phillips. Water-quality Assessment of the Delmarva Peninsula, Delaware, Maryland, and Virginia--analysis of Available Ground-water-quality Data Through 1987. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 1991.

MLA (9th ed.) Citation

Hamilton, P. A., et al. Water-quality Assessment of the Delmarva Peninsula, Delaware, Maryland, and Virginia--analysis of Available Ground-water-quality Data Through 1987. U.S. Dept. of the Interior, U.S. Geological Survey, 1991.