Geological Survey (U.S.), Wilson, F. H., Detterman, R. L., & Harris, E. E. (1991). Generalized geologic map of the Port Moller, Stepovak Bay, and Simeonof Island quadrangles, Alaska Peninsula, Alaska. The Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), Frederic H. Wilson, Robert L. Detterman, and Ellen E. Harris. Generalized Geologic Map of the Port Moller, Stepovak Bay, and Simeonof Island Quadrangles, Alaska Peninsula, Alaska. Reston, VA: The Survey, 1991.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Generalized Geologic Map of the Port Moller, Stepovak Bay, and Simeonof Island Quadrangles, Alaska Peninsula, Alaska. The Survey, 1991.
Warning: These citations may not always be 100% accurate.