Diablo Powerhouse under construction showing incline railway and construction camp, Reflector Bar, Skagit River, ca. 1934

Chicago citation style
Diablo Powerhouse under construction showing incline railway and construction camp, Reflector Bar, Skagit River, ca. 1934. ca. 1934. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/552. (Accessed September 23, 2018.)
APA citation style
(ca. 1934) Diablo Powerhouse under construction showing incline railway and construction camp, Reflector Bar, Skagit River, ca. 1934. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/552
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/552>.
Note: These citations are programmatically generated and may be incomplete.