Petrified tree pieces on beach with Pavlof Volcano in background, Unga Island, Alaska, October 1961

Chicago citation style
Gronholdt, Andrew. Petrified tree pieces on beach with Pavlof Volcano in background, Unga Island, Alaska, October 1961. October 1961. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/alaskawcanada/id/2966. (Accessed October 20, 2018.)
APA citation style
Gronholdt, Andrew, (October 1961) Petrified tree pieces on beach with Pavlof Volcano in background, Unga Island, Alaska, October 1961. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/alaskawcanada/id/2966
MLA citation style
Gronholdt, Andrew. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/alaskawcanada/id/2966>.
Note: These citations are programmatically generated and may be incomplete.