APA (7th ed.) Citation

Peterson, W. L. (1978). Geologic map of the Simpsonville quadrangle, Shelby and Spencer Counties, Kentucky. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Peterson, Warren Lee. Geologic Map of the Simpsonville Quadrangle, Shelby and Spencer Counties, Kentucky. Reston, Va.: U.S. Geological Survey, 1978.

MLA (9th ed.) Citation

Peterson, Warren Lee. Geologic Map of the Simpsonville Quadrangle, Shelby and Spencer Counties, Kentucky. U.S. Geological Survey, 1978.