Man standing in completed penstock tunnel between dam and powerhouse, October 22, 1925

Chicago citation style
Man standing in completed penstock tunnel between dam and powerhouse, October 22, 1925. 1925. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/384. (Accessed June 21, 2018.)
APA citation style
(1925) Man standing in completed penstock tunnel between dam and powerhouse, October 22, 1925. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/384
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/384>.
Note: These citations are programmatically generated and may be incomplete.