APA (7th ed.) Citation

Geological Survey (U.S.) & Duval, J. S. (1988). Aerial gamma-ray contour maps of regional surface concentrations of potassium, uranium, and thorium in Nevada. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Joseph S. Duval. Aerial Gamma-ray Contour Maps of Regional Surface Concentrations of Potassium, Uranium, and Thorium in Nevada. Reston, Va.: The Survey, 1988.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Joseph S. Duval. Aerial Gamma-ray Contour Maps of Regional Surface Concentrations of Potassium, Uranium, and Thorium in Nevada. The Survey, 1988.