APA (7th ed.) Citation

Geological Survey (U.S.), Maryland. Tidewater Administration, & Maryland Geological Survey. Potentiometric surface of the lower Patapsco Aquifer in southern Maryland, September ... Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Maryland. Tidewater Administration, and Maryland Geological Survey. Potentiometric Surface of the Lower Patapsco Aquifer in Southern Maryland, September ... [Towson, Md.]: Department of the Interior, U.S. Geological Survey.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Potentiometric Surface of the Lower Patapsco Aquifer in Southern Maryland, September ... Department of the Interior, U.S. Geological Survey.