Old man's whiskers plant, probably in Olympic National Park, date unknown

Chicago citation style
Unknown. Old man's whiskers plant, probably in Olympic National Park, date unknown. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/2498. (Accessed June 21, 2018.)
APA citation style
Unknown, Old man's whiskers plant, probably in Olympic National Park, date unknown. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/2498
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/2498>.
Note: These citations are programmatically generated and may be incomplete.