APA (7th ed.) Citation

Volckmann, R. P., & Leo, G. W. (1978). Geologic map of the Mistletoe quadrangle, southeastern Kentucky. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Volckmann, Richard P., and Gerhard W. Leo. Geologic Map of the Mistletoe Quadrangle, Southeastern Kentucky. Reston, Va.: U.S. Geological Survey, 1978.

MLA (9th ed.) Citation

Volckmann, Richard P., and Gerhard W. Leo. Geologic Map of the Mistletoe Quadrangle, Southeastern Kentucky. U.S. Geological Survey, 1978.

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