APA (7th ed.) Citation

Geological Survey (U.S.). Water Resources Division. Water resources data for Maryland and Delaware. Geological Survey, Water Resources Division.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Water Resources Division. Water Resources Data for Maryland and Delaware. Parkville, Md.: Geological Survey, Water Resources Division.

MLA (9th ed.) Citation

Geological Survey (U.S.). Water Resources Division. Water Resources Data for Maryland and Delaware. Geological Survey, Water Resources Division.

Warning: These citations may not always be 100% accurate.