APA (7th ed.) Citation

Ryder, R. T., Swezey, C., & Trippi, M. H. (2015). Geologic cross section I-I' through the Appalachian Basin from the eastern margin of the Illinois Basin, Jefferson County, Kentucky, to the Valley and Ridge Province, Scott County, Virginia. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Ryder, Robert T., C. Swezey, and Michael H. Trippi. Geologic Cross Section I-I' Through the Appalachian Basin from the Eastern Margin of the Illinois Basin, Jefferson County, Kentucky, to the Valley and Ridge Province, Scott County, Virginia. Reston, Va.: U.S. Geological Survey, 2015.

MLA (9th ed.) Citation

Ryder, Robert T., et al. Geologic Cross Section I-I' Through the Appalachian Basin from the Eastern Margin of the Illinois Basin, Jefferson County, Kentucky, to the Valley and Ridge Province, Scott County, Virginia. U.S. Geological Survey, 2015.