Redwood sorrel plants, probably in Olympic National Park, date unknown

Chicago citation style
Unknown. Redwood sorrel plants, 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/2315. (Accessed November 16, 2018.)
APA citation style
Unknown, Redwood sorrel plants, 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/2315
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/2315>.
Note: These citations are programmatically generated and may be incomplete.