Boston Public Library Johnson building construction, exterior walls partially complete, March 1971

Chicago citation style
Boston Public Library Johnson building construction, exterior walls partially complete, March 1971. 1971-03-16. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/gt54m564w. (Accessed June 24, 2018.)
APA citation style
(1971-03-16) Boston Public Library Johnson building construction, exterior walls partially complete, March 1971. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/gt54m564w
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/gt54m564w>.
Note: These citations are programmatically generated and may be incomplete.