APA (7th ed.) Citation

McDowell, R. C. (1973). Geologic map of the Sardis quadrangle, northeastern Kentucky. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

McDowell, Robert C. Geologic Map of the Sardis Quadrangle, Northeastern Kentucky. Washington, D.C.: U.S. Geological Survey, 1973.

MLA (9th ed.) Citation

McDowell, Robert C. Geologic Map of the Sardis Quadrangle, Northeastern Kentucky. U.S. Geological Survey, 1973.

Warning: These citations may not always be 100% accurate.