APA (7th ed.) Citation

Geological Survey. Water Resources Division, Pennsylvania. Department of Environmental Resources, & Philadelphia. Water Department. (1981). Water resources data. U.S. Dept. of the Interior, Geological Survey : National Technical Information Service, distributor].

Chicago Style (17th ed.) Citation

Geological Survey. Water Resources Division, Pennsylvania. Department of Environmental Resources, and Philadelphia. Water Department. Water Resources Data. Harrisburg, Pa. : [Springfield, VA: U.S. Dept. of the Interior, Geological Survey : National Technical Information Service, distributor], 1981.

MLA (8th ed.) Citation

Geological Survey. Water Resources Division, et al. Water Resources Data. U.S. Dept. of the Interior, Geological Survey : National Technical Information Service, distributor], 1981.