Researcher at work on Blue Glacier, Olympic National Park, date unknown

Chicago citation style
Kirk, Louie. Researcher at work on 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/1518. (Accessed October 16, 2018.)
APA citation style
Kirk, Louie, Researcher at work on 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/1518
MLA citation style
Kirk, Louie. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/1518>.
Note: These citations are programmatically generated and may be incomplete.