APA (7th ed.) Citation

Johnson, W. D., Jr. (1978). Geologic map of the McDaniels quadrangle, Grayson and Breckinridge counties, Kentucky. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Johnson, William D., Jr. Geologic Map of the McDaniels Quadrangle, Grayson and Breckinridge Counties, Kentucky. Reston, Va.: U.S. Geological Survey, 1978.

MLA (9th ed.) Citation

Johnson, William D., Jr. Geologic Map of the McDaniels Quadrangle, Grayson and Breckinridge Counties, Kentucky. U.S. Geological Survey, 1978.