Hatch, N. L. (1963). Geology of the London quadrangle, Kentucky. U.S. Geological Survey.
Chicago Style (17th ed.) CitationHatch, Norman L. Geology of the London Quadrangle, Kentucky. Reston, Va.: U.S. Geological Survey, 1963.
MLA (9th ed.) CitationHatch, Norman L. Geology of the London Quadrangle, Kentucky. U.S. Geological Survey, 1963.
Warning: These citations may not always be 100% accurate.