Layers of rock at Hole in the Wall, Olympic National Park, date unknown

Chicago citation style
Loder, W. and L.. Layers of rock at Hole in the Wall, Olympic National Park, date unknown. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/1646. (Accessed July 17, 2018.)
APA citation style
Loder, W. and L., Layers of rock at Hole in the Wall, Olympic National Park, date unknown. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/1646
MLA citation style
Loder, W. and L.. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/1646>.
Note: These citations are programmatically generated and may be incomplete.