APA (7th ed.) Citation

Geological Survey (U.S.), Kentucky Geological Survey, & Maxwell, C. H. (1965). Geology of the Dunnville quadrangle, Kentucky. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Kentucky Geological Survey, and Charles H. Maxwell. Geology of the Dunnville Quadrangle, Kentucky. Washington, D.C.: The Survey, 1965.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Geology of the Dunnville Quadrangle, Kentucky. The Survey, 1965.