Skagit River Hydroelectric Project showing Diablo Dam and powerhouse with Ruby Mountain in background, ca. 1938

Chicago citation style
Skagit River Hydroelectric Project showing Diablo Dam and powerhouse with Ruby Mountain in background, ca. 1938. ca. 1938. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/indocc/id/700. (Accessed June 22, 2018.)
APA citation style
(ca. 1938) Skagit River Hydroelectric Project showing Diablo Dam and powerhouse with Ruby Mountain in background, ca. 1938. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/indocc/id/700
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/indocc/id/700>.
Note: These citations are programmatically generated and may be incomplete.