APA (7th ed.) Citation

McDowell, R. C., & Weir, G. W. (1977). Geologic map of the Olympia quadrangle, Bath and Menifee Counties, Kentucky. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

McDowell, Robert C., and Gordon W. Weir. Geologic Map of the Olympia Quadrangle, Bath and Menifee Counties, Kentucky. Reston, Va.: U.S. Geological Survey, 1977.

MLA (9th ed.) Citation

McDowell, Robert C., and Gordon W. Weir. Geologic Map of the Olympia Quadrangle, Bath and Menifee Counties, Kentucky. U.S. Geological Survey, 1977.