Workers standing in end of penstock pipe for power generating unit no. 3, Gorge Dam Powerhouse, August 13, 1923

Chicago citation style
Workers standing in end of penstock pipe for power generating unit no. 3, Gorge Dam Powerhouse, August 13, 1923. 1923. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/214. (Accessed September 25, 2018.)
APA citation style
(1923) Workers standing in end of penstock pipe for power generating unit no. 3, Gorge Dam Powerhouse, August 13, 1923. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/214
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/214>.
Note: These citations are programmatically generated and may be incomplete.