Boy feeding a bear, possibly on the Olympic Peninsula, date unknown

Chicago citation style
Boy feeding a bear, possibly on the Olympic Peninsula, date unknown. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/673. (Accessed September 22, 2018.)
APA citation style
Boy feeding a bear, possibly on the Olympic Peninsula, date unknown. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/673
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/673>.
Note: These citations are programmatically generated and may be incomplete.