Erosion of Hoh River hillside, Olympic National Park, date unknown

Chicago citation style
Gurling, Mike. Erosion of Hoh River hillside, Olympic National Park, date unknown. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/2452. (Accessed July 19, 2018.)
APA citation style
Gurling, Mike, Erosion of Hoh River hillside, Olympic National Park, date unknown. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/2452
MLA citation style
Gurling, Mike. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/2452>.
Note: These citations are programmatically generated and may be incomplete.