APA (7th ed.) Citation

Black, D. F. B. (1974). Geologic map of the Winchester quadrangle, Clark and Madison counties, Kentucky. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Black, Douglas F. B. Geologic Map of the Winchester Quadrangle, Clark and Madison Counties, Kentucky. Reston, Va.: U.S. Geological Survey, 1974.

MLA (9th ed.) Citation

Black, Douglas F. B. Geologic Map of the Winchester Quadrangle, Clark and Madison Counties, Kentucky. U.S. Geological Survey, 1974.