APA (7th ed.) Citation

Geological Survey (U.S.), Riehle, J. R., Brew, D. A., & Lanphere, M. A. (1989). Geologic map of the Mount Edgecumbe volcanic field, Kruzof Island, southeastern Alaska. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), J. R. Riehle, David A. Brew, and Marvin A. Lanphere. Geologic Map of the Mount Edgecumbe Volcanic Field, Kruzof Island, Southeastern Alaska. Reston, Va.: The Survey, 1989.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Geologic Map of the Mount Edgecumbe Volcanic Field, Kruzof Island, Southeastern Alaska. The Survey, 1989.