APA (7th ed.) Citation

Weir, G. W. (1967). Geologic map of the Berea quadrangle, east-central Kentucky. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Weir, Gordon W. Geologic Map of the Berea Quadrangle, East-central Kentucky. Washington, D.C.: U.S. Geological Survey, 1967.

MLA (9th ed.) Citation

Weir, Gordon W. Geologic Map of the Berea Quadrangle, East-central Kentucky. U.S. Geological Survey, 1967.