Researcher rappelling to ice tunnel at Blue Glacier, Olympic National Park, date unknown

Chicago citation style
Kirk, Louie. Researcher rappelling to ice tunnel at Blue Glacier, Olympic National Park, date unknown. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/1045. (Accessed October 23, 2018.)
APA citation style
Kirk, Louie, Researcher rappelling to ice tunnel at Blue Glacier, Olympic National Park, date unknown. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/1045
MLA citation style
Kirk, Louie. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/1045>.
Note: These citations are programmatically generated and may be incomplete.