Bedrock on the lower slope of Mount Baker, ca. 1930

Chicago citation style
Huntoon, Bert W., 1869-1947. Bedrock on the lower slope of Mount Baker, ca. 1930. ca. 1930. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/wastate/id/1414. (Accessed October 17, 2018.)
APA citation style
Huntoon, Bert W., 1869-1947, (ca. 1930) Bedrock on the lower slope of Mount Baker, ca. 1930. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/wastate/id/1414
MLA citation style
Huntoon, Bert W., 1869-1947. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/wastate/id/1414>.
Note: These citations are programmatically generated and may be incomplete.