Royal Basin, alpine lake, Olympic National Park, date unknown

Chicago citation style
Unknown. Royal Basin, alpine lake, Olympic National Park, date unknown. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/921. (Accessed September 25, 2018.)
APA citation style
Unknown, Royal Basin, alpine lake, Olympic National Park, date unknown. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/921
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/921>.
Note: These citations are programmatically generated and may be incomplete.