Carswell, L. D., Hollowell, J. R., & Platt, L. B. (1968). Geology and hydrology of the Martinsburg formation in Dauphin County, Pennsylvania. [Bureau of Topographic and Geologic Survey].
Chicago Style (17th ed.) CitationCarswell, Louis D., Jerrald R. Hollowell, and Lucian B. Platt. Geology and Hydrology of the Martinsburg Formation in Dauphin County, Pennsylvania. Harrisburg: [Bureau of Topographic and Geologic Survey], 1968.
MLA (8th ed.) CitationCarswell, Louis D., et al. Geology and Hydrology of the Martinsburg Formation in Dauphin County, Pennsylvania. [Bureau of Topographic and Geologic Survey], 1968.
Warning: These citations may not always be 100% accurate.