Geological Survey (U.S.), Kentucky Geological Survey, & Kepferle, R. C. (1974). Geologic map of the Louisville East quadrangle, Jefferson County, Kentucky. The Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), Kentucky Geological Survey, and Roy Clark Kepferle. Geologic Map of the Louisville East Quadrangle, Jefferson County, Kentucky. Reston, Va.: The Survey, 1974.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Geologic Map of the Louisville East Quadrangle, Jefferson County, Kentucky. The Survey, 1974.
Warning: These citations may not always be 100% accurate.