Lyall's lupine flowers, probably in Olympic National Park, date unknown

Chicago citation style
Unknown. Lyall's lupine flowers, 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/2129. (Accessed September 21, 2018.)
APA citation style
Unknown, Lyall's lupine flowers, 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/2129
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/2129>.
Note: These citations are programmatically generated and may be incomplete.