APA (7th ed.) Citation

(1972). Soil association map of Knox county, Tennessee. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Soil Association Map of Knox County, Tennessee. Washington, D.C: U.S. Geological Survey, 1972.

MLA (9th ed.) Citation

Soil Association Map of Knox County, Tennessee. U.S. Geological Survey, 1972.

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