APA (7th ed.) Citation

Black, D. F. B. (1978). Geologic map of the Tallega quadrangle, east-central Kentucky. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Black, Douglas F. B. Geologic Map of the Tallega Quadrangle, East-central Kentucky. Reston, Va.: U.S. Geological Survey, 1978.

MLA (9th ed.) Citation

Black, Douglas F. B. Geologic Map of the Tallega Quadrangle, East-central Kentucky. U.S. Geological Survey, 1978.