APA (7th ed.) Citation

Swanson, R. W. (1970). Geologic map of the Melber quadrangle, Graves and McCracken Counties, Kentucky. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Swanson, Roger Warren. Geologic Map of the Melber Quadrangle, Graves and McCracken Counties, Kentucky. Washington, D.C.: U.S. Geological Survey, 1970.

MLA (9th ed.) Citation

Swanson, Roger Warren. Geologic Map of the Melber Quadrangle, Graves and McCracken Counties, Kentucky. U.S. Geological Survey, 1970.