APA (7th ed.) Citation

Richter, D. H. (2006). Geologic map of the Wrangell-Saint Elias National Park and Preserve, Alaska. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Richter, Donald H. Geologic Map of the Wrangell-Saint Elias National Park and Preserve, Alaska. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 2006.

MLA (9th ed.) Citation

Richter, Donald H. Geologic Map of the Wrangell-Saint Elias National Park and Preserve, Alaska. U.S. Dept. of the Interior, U.S. Geological Survey, 2006.