Engineers to Study 'Ripple' on Big Span, July 19, 1940

Chicago citation style
Engineers to Study 'Ripple' on Big Span, July 19, 1940. 1940. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/farquharson/id/148. (Accessed October 23, 2018.)
APA citation style
(1940) Engineers to Study 'Ripple' on Big Span, July 19, 1940. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/farquharson/id/148
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/farquharson/id/148>.
Note: These citations are programmatically generated and may be incomplete.