Pryor, W. A. (1981). Energy resources of Devonian-Mississippian shales of eastern Kentucky: Annual field conference of the Geological Society of Kentucky : April 9-11, 1981. The Kentucky Geological Survey.
Chicago Style (17th ed.) CitationPryor, Wayne Arthur. Energy Resources of Devonian-Mississippian Shales of Eastern Kentucky: Annual Field Conference of the Geological Society of Kentucky : April 9-11, 1981. Lexington, Ky.: The Kentucky Geological Survey, 1981.
MLA (9th ed.) CitationPryor, Wayne Arthur. Energy Resources of Devonian-Mississippian Shales of Eastern Kentucky: Annual Field Conference of the Geological Society of Kentucky : April 9-11, 1981. The Kentucky Geological Survey, 1981.
Warning: These citations may not always be 100% accurate.