APA (7th ed.) Citation

Geological Survey (U.S.) & Riehle, J. R. (1999). A geological and geophysical setting of the gold-silver vein system of Unga Island, southwestern Alaska (Version 1.3.). U.S. Geological Survey ; [USGS Information Services (Open-File Report Sales)].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and J. R. Riehle. A Geological and Geophysical Setting of the Gold-silver Vein System of Unga Island, Southwestern Alaska. Version 1.3. Menlo Park, CA : [Denver, Colo.]: U.S. Geological Survey ; [USGS Information Services (Open-File Report Sales)], 1999.

MLA (9th ed.) Citation

Geological Survey (U.S.) and J. R. Riehle. A Geological and Geophysical Setting of the Gold-silver Vein System of Unga Island, Southwestern Alaska. Version 1.3. U.S. Geological Survey ; [USGS Information Services (Open-File Report Sales)], 1999.