Glacier research instruments and samples, Olympic National Park, date unknown

Chicago citation style
Kirk, Louie. Glacier research instruments and samples, Olympic National Park, date unknown. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/912. (Accessed April 26, 2018.)
APA citation style
Kirk, Louie, Glacier research instruments and samples, Olympic National Park, date unknown. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/912
MLA citation style
Kirk, Louie. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/912>.
Note: These citations are programmatically generated and may be incomplete.