Detail of guide roller assembly for the draw pontoon, Lake Washington Floating Bridge construction, January 8, 1940

Chicago citation style
Simmer. Detail of guide roller assembly for the draw pontoon, Lake Washington Floating Bridge construction, January 8, 1940. 1940. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/transportation/id/982. (Accessed July 18, 2018.)
APA citation style
Simmer, (1940) Detail of guide roller assembly for the draw pontoon, Lake Washington Floating Bridge construction, January 8, 1940. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/transportation/id/982
MLA citation style
Simmer. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/transportation/id/982>.
Note: These citations are programmatically generated and may be incomplete.