APA (7th ed.) Citation

Hinrichs, E. N. (1978). Geologic map of the Canoe quadrangle, Breathitt and Perry counties, Kentucky. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Hinrichs, E. Neal. Geologic Map of the Canoe Quadrangle, Breathitt and Perry Counties, Kentucky. Reston, Va.: U.S. Geological Survey, 1978.

MLA (9th ed.) Citation

Hinrichs, E. Neal. Geologic Map of the Canoe Quadrangle, Breathitt and Perry Counties, Kentucky. U.S. Geological Survey, 1978.