Cast iron subway entrance for Copley Square Station

Chicago citation style
Hecla Iron Works. Cast iron subway entrance for Copley Square Station. 1900. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/9593vd119. (Accessed July 19, 2018.)
APA citation style
Hecla Iron Works, (1900) Cast iron subway entrance for Copley Square Station. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/9593vd119
MLA citation style
Hecla Iron Works. Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/9593vd119>.
Note: These citations are programmatically generated and may be incomplete.