Sand with gull prints and feathers, possibly in Olympic National Park, date unknown

Chicago citation style
Unknown. Sand with gull prints and feathers, possibly in Olympic National Park, date unknown. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/1633. (Accessed June 24, 2018.)
APA citation style
Unknown, Sand with gull prints and feathers, possibly in Olympic National Park, date unknown. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/1633
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/1633>.
Note: These citations are programmatically generated and may be incomplete.