APA (7th ed.) Citation

Johnson, W. D., Jr. (1974). Geologic map of parts of the West Franklin, Caborn and Mount Vernon quadrangles, Henderson and Union counties, Kentucky. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Johnson, William D., Jr. Geologic Map of Parts of the West Franklin, Caborn and Mount Vernon Quadrangles, Henderson and Union Counties, Kentucky. Washington, D.C.: U.S. Geological Survey, 1974.

MLA (9th ed.) Citation

Johnson, William D., Jr. Geologic Map of Parts of the West Franklin, Caborn and Mount Vernon Quadrangles, Henderson and Union Counties, Kentucky. U.S. Geological Survey, 1974.