Group of engineers and officials involved in the construction of the San Francisco-Oakland Bay Bridge posing inside a dredging well

Chicago citation style
Group of engineers and officials involved in the construction of the San Francisco-Oakland Bay Bridge posing inside a dredging well. 1933 Sept. 30. Retrieved from the Digital Public Library of America, http://sflib1.sfpl.org:82/record=b1026729. (Accessed December 16, 2018.)
APA citation style
(1933 Sept. 30) Group of engineers and officials involved in the construction of the San Francisco-Oakland Bay Bridge posing inside a dredging well. Retrieved from the Digital Public Library of America, http://sflib1.sfpl.org:82/record=b1026729
MLA citation style
Retrieved from the Digital Public Library of America <http://sflib1.sfpl.org:82/record=b1026729>.
Note: These citations are programmatically generated and may be incomplete.