APA (7th ed.) Citation

(1981). Geologic map of Kentucky by Robert C. McDowell, George J. Grabowski, Jr., and Samuel L. Moore ; prepared by the United States Geological Survey ... in cooperation with the Eleventh Kentucky Geological Survey ; compiled in 1977-78 by the United States Geological Survey ... in cooperation with the Tenth Kentucky Geological Survey ... [map /].

Chicago Style (17th ed.) Citation

Geologic Map of Kentucky by Robert C. McDowell, George J. Grabowski, Jr., and Samuel L. Moore ; Prepared by the United States Geological Survey ... in Cooperation with the Eleventh Kentucky Geological Survey ; Compiled in 1977-78 by the United States Geological Survey ... in Cooperation with the Tenth Kentucky Geological Survey ... [map /]. 1981.

MLA (9th ed.) Citation

Geologic Map of Kentucky by Robert C. McDowell, George J. Grabowski, Jr., and Samuel L. Moore ; Prepared by the United States Geological Survey ... in Cooperation with the Eleventh Kentucky Geological Survey ; Compiled in 1977-78 by the United States Geological Survey ... in Cooperation with the Tenth Kentucky Geological Survey ... [map /]. 1981.