APA (7th ed.) Citation

Champan, R. M., & Yeend, W. E. (1972). Preliminary geologic map of the northeastern part of the Tanana quadrangle, Alaska. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Champan, Robert Mills, and Warren E. Yeend. Preliminary Geologic Map of the Northeastern Part of the Tanana Quadrangle, Alaska. Washington, D.C.: U.S. Geological Survey, 1972.

MLA (9th ed.) Citation

Champan, Robert Mills, and Warren E. Yeend. Preliminary Geologic Map of the Northeastern Part of the Tanana Quadrangle, Alaska. U.S. Geological Survey, 1972.