Beach bluff erosion on Washington coast, probably in Olympic National Park, date unknown

Chicago citation style
Gurling, Mike. Beach bluff erosion on Washington coast, probably in Olympic National Park, date unknown. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/1824. (Accessed October 17, 2018.)
APA citation style
Gurling, Mike, Beach bluff erosion on Washington coast, probably in Olympic National Park, date unknown. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/1824
MLA citation style
Gurling, Mike. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/1824>.
Note: These citations are programmatically generated and may be incomplete.