United States. Department of the Interior. Office of the Secretary & Diller, J. S. (1912). Geological history of Crater Lake, Crater Lake National Park. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Department of the Interior. Office of the Secretary and J. S. Diller. Geological History of Crater Lake, Crater Lake National Park. [Place of publication not identified]: [publisher not identified], 1912.
MLA (9th ed.) CitationUnited States. Department of the Interior. Office of the Secretary and J. S. Diller. Geological History of Crater Lake, Crater Lake National Park. [publisher not identified], 1912.
Warning: These citations may not always be 100% accurate.