13th, 17th and final stages of the sinking of the caissons, Tacoma Narrows Bridge construction, ca. 1939

Chicago citation style
13th, 17th and final stages of the sinking of the caissons, Tacoma Narrows Bridge construction, ca. 1939. ca. 1939. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/farquharson/id/50. (Accessed June 21, 2018.)
APA citation style
(ca. 1939) 13th, 17th and final stages of the sinking of the caissons, Tacoma Narrows Bridge construction, ca. 1939. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/farquharson/id/50
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/farquharson/id/50>.
Note: These citations are programmatically generated and may be incomplete.