APA (7th ed.) Citation

Curtin, S. E., Andreasen, D. C., Mack, F. K., Geological Survey (U.S.), Maryland Geological Survey., & Maryland. Resource Assessment Administration. (1999). The difference between the potentiometric surfaces of the lower Patapsco Aquifer, September 1990 and September 1997 in Southern Maryland. U.S. Geological Survey ; Branch of Information Services [distributor].

Chicago Style (17th ed.) Citation

Curtin, Stephen E., David C. Andreasen, Frederick K. Mack, Geological Survey (U.S.), Maryland Geological Survey, and Maryland. Resource Assessment Administration. The Difference between the Potentiometric Surfaces of the Lower Patapsco Aquifer, September 1990 and September 1997 in Southern Maryland. Baltimore, Md. : Denver, Colo.: U.S. Geological Survey ; Branch of Information Services [distributor], 1999.

MLA (8th ed.) Citation

Curtin, Stephen E., et al. The Difference between the Potentiometric Surfaces of the Lower Patapsco Aquifer, September 1990 and September 1997 in Southern Maryland. U.S. Geological Survey ; Branch of Information Services [distributor], 1999.