APA (7th ed.) Citation

Geological Survey (U.S.), Geological Survey of Ohio, & Duval, J. S. (1985). Aerial radiometric contour maps of surface concentrations of uranium, potassium and thorium in Ohio. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Geological Survey of Ohio, and Joseph S. Duval. Aerial Radiometric Contour Maps of Surface Concentrations of Uranium, Potassium and Thorium in Ohio. Reston, Va.: U.S. Geological Survey, 1985.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Aerial Radiometric Contour Maps of Surface Concentrations of Uranium, Potassium and Thorium in Ohio. U.S. Geological Survey, 1985.