Engineers and others with tunnel excavation equipment on the Lake Washington Floating Bridge project, April 24, 1939

Chicago citation style
Simmer, Alfred G.. Engineers and others with tunnel excavation equipment on the Lake Washington Floating Bridge project, April 24, 1939. 1939. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/imlsmohai/id/8070. (Accessed June 25, 2018.)
APA citation style
Simmer, Alfred G., (1939) Engineers and others with tunnel excavation equipment on the Lake Washington Floating Bridge project, April 24, 1939. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/imlsmohai/id/8070
MLA citation style
Simmer, Alfred G.. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/imlsmohai/id/8070>.
Note: These citations are programmatically generated and may be incomplete.