Excavation of the construction site for the Boston Public Library Johnson building, July to September 1969

Chicago citation style
Excavation of the construction site for the Boston Public Library Johnson building, July to September 1969. 1969-07-1969-09. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/gt54m4446. (Accessed June 19, 2018.)
APA citation style
(1969-07-1969-09) Excavation of the construction site for the Boston Public Library Johnson building, July to September 1969. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/gt54m4446
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/gt54m4446>.
Note: These citations are programmatically generated and may be incomplete.