Sunset probably during winter in Olympic National Park, date unknown

Chicago citation style
Unknown. Sunset probably during winter in Olympic National Park, date unknown. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/1854. (Accessed July 21, 2018.)
APA citation style
Unknown, Sunset probably during winter in Olympic National Park, date unknown. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/1854
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/1854>.
Note: These citations are programmatically generated and may be incomplete.