Powerhouse site just after construction started with diversion tunnel entrance on lower right, July 24, 1924

Chicago citation style
Powerhouse site just after construction started with diversion tunnel entrance on lower right, July 24, 1924. 1924. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/372. (Accessed June 22, 2018.)
APA citation style
(1924) Powerhouse site just after construction started with diversion tunnel entrance on lower right, July 24, 1924. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/372
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/372>.
Note: These citations are programmatically generated and may be incomplete.