APA (7th ed.) Citation

Wallace, R. M. (1976). Geologic map of the Breckinridge quadrangle, Harrison and Scott Counties, Kentucky. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Wallace, Roberts Manning. Geologic Map of the Breckinridge Quadrangle, Harrison and Scott Counties, Kentucky. Reston, Va.: U.S. Geological Survey, 1976.

MLA (9th ed.) Citation

Wallace, Roberts Manning. Geologic Map of the Breckinridge Quadrangle, Harrison and Scott Counties, Kentucky. U.S. Geological Survey, 1976.