Diablo Dam as seen from downstream, along the Skagit River, March 8, 1931

Chicago citation style
Diablo Dam as seen from downstream, along the Skagit River, March 8, 1931. 1931. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/273. (Accessed July 21, 2018.)
APA citation style
(1931) Diablo Dam as seen from downstream, along the Skagit River, March 8, 1931. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/273
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/273>.
Note: These citations are programmatically generated and may be incomplete.