Main tunnel, northwest of Lake Tapps, leading into forebay and penstock tunnels, July 28, 1911

Chicago citation style
Main tunnel, northwest of Lake Tapps, leading into forebay and penstock tunnels, July 28, 1911. 1911. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/108. (Accessed June 25, 2018.)
APA citation style
(1911) Main tunnel, northwest of Lake Tapps, leading into forebay and penstock tunnels, July 28, 1911. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/108
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/108>.
Note: These citations are programmatically generated and may be incomplete.