APA (7th ed.) Citation

Brown, R. F., & Lambert, T. W. (1963). Geologic map of Breckinridge, Grayson, Hardin, Larue, and Meade counties, Kentucky. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Brown, Richmond F., and T. William Lambert. Geologic Map of Breckinridge, Grayson, Hardin, Larue, and Meade Counties, Kentucky. Washington, D.C.: U.S. Geological Survey, 1963.

MLA (8th ed.) Citation

Brown, Richmond F., and T. William Lambert. Geologic Map of Breckinridge, Grayson, Hardin, Larue, and Meade Counties, Kentucky. U.S. Geological Survey, 1963.