APA (7th ed.) Citation

Poth, C. W. (1973). Summary ground-water resources of Beaver County, Pennsylvania. Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey.

Chicago Style (17th ed.) Citation

Poth, Charles W. Summary Ground-water Resources of Beaver County, Pennsylvania. Harrisburg: Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1973.

MLA (9th ed.) Citation

Poth, Charles W. Summary Ground-water Resources of Beaver County, Pennsylvania. Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1973.