Oregon iris flower, probably in Olympic National Park, date unknown

Chicago citation style
Unknown. Oregon iris flower, 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/2145. (Accessed November 19, 2018.)
APA citation style
Unknown, Oregon iris flower, 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/2145
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/2145>.
Note: These citations are programmatically generated and may be incomplete.