APA (7th ed.) Citation

Outerbridge, W. F. (1975). Geologic map of the Wheelwright quadrangle, southeastern Kentucky. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Outerbridge, Wiliam F. Geologic Map of the Wheelwright Quadrangle, Southeastern Kentucky. Reston, Va.: U.S. Geological Survey, 1975.

MLA (9th ed.) Citation

Outerbridge, Wiliam F. Geologic Map of the Wheelwright Quadrangle, Southeastern Kentucky. U.S. Geological Survey, 1975.

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