APA (7th ed.) Citation

Hoare, J. M., & Condon, W. H. (1971). Geologic map of the Marshall quadrangle, western Alaska. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Hoare, J. M., and W. H. Condon. Geologic Map of the Marshall Quadrangle, Western Alaska. Washington, D.C.: U.S. Geological Survey, 1971.

MLA (9th ed.) Citation

Hoare, J. M., and W. H. Condon. Geologic Map of the Marshall Quadrangle, Western Alaska. U.S. Geological Survey, 1971.