KellerLynn, K., & United States. National Park Service. Natural Resource Stewardship and Science. (2013). Crater Lake National Park: Geologic resources inventory report. National Park Service, Geologic Resources Division ; US Department of the Interior, National Park Service, Natural Resource Stewardship and Science.
Chicago Style (17th ed.) CitationKellerLynn, Katie,, and United States. National Park Service. Natural Resource Stewardship and Science. Crater Lake National Park: Geologic Resources Inventory Report. Denver, CO : Fort Collins, Colorado: National Park Service, Geologic Resources Division ; US Department of the Interior, National Park Service, Natural Resource Stewardship and Science, 2013.
MLA (8th ed.) CitationKellerLynn, Katie,, and United States. National Park Service. Natural Resource Stewardship and Science. Crater Lake National Park: Geologic Resources Inventory Report. National Park Service, Geologic Resources Division ; US Department of the Interior, National Park Service, Natural Resource Stewardship and Science, 2013.