Forebay showing entrance to the three tunnels which will contain penstocks, August 23, 1911

Chicago citation style
Forebay showing entrance to the three tunnels which will contain penstocks, August 23, 1911. 1911. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/120. (Accessed June 18, 2018.)
APA citation style
(1911) Forebay showing entrance to the three tunnels which will contain penstocks, August 23, 1911. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/120
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/120>.
Note: These citations are programmatically generated and may be incomplete.