East Boston tunnel, drift head

Chicago citation style
East Boston tunnel, drift head. 1903. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/37720p40p. (Accessed June 24, 2018.)
APA citation style
(1903) East Boston tunnel, drift head. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/37720p40p
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/37720p40p>.
Note: These citations are programmatically generated and may be incomplete.