West entrance of tunnels under construction, Lake Washington Floating Bridge project, April 5, 1940

Chicago citation style
Simmer, Alfred G.. West entrance of tunnels under construction, Lake Washington Floating Bridge project, April 5, 1940. 1940. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/imlsmohai/id/8081. (Accessed July 22, 2018.)
APA citation style
Simmer, Alfred G., (1940) West entrance of tunnels under construction, Lake Washington Floating Bridge project, April 5, 1940. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/imlsmohai/id/8081
MLA citation style
Simmer, Alfred G.. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/imlsmohai/id/8081>.
Note: These citations are programmatically generated and may be incomplete.