APA (7th ed.) Citation

(1971). Geologic map of the Knoxville quadrangle, North Carolina, Tennessee, and South Carolina. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geologic Map of the Knoxville Quadrangle, North Carolina, Tennessee, and South Carolina. Washington, D.C: U.S. Geological Survey, 1971.

MLA (9th ed.) Citation

Geologic Map of the Knoxville Quadrangle, North Carolina, Tennessee, and South Carolina. U.S. Geological Survey, 1971.

Warning: These citations may not always be 100% accurate.