Bracing of the E. Boston vent shaft looking west

Chicago citation style
Bracing of the E. Boston vent shaft looking west. 1931-07-02. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/37720n76v. (Accessed June 18, 2018.)
APA citation style
(1931-07-02) Bracing of the E. Boston vent shaft looking west. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/37720n76v
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/37720n76v>.
Note: These citations are programmatically generated and may be incomplete.