Winding passenger ramp under construction for the World of Tomorrow Exhibit of the Seatle World's Fair, November 30, 1961

Chicago citation style
Dudley, Roger. Winding passenger ramp under construction for the World of Tomorrow Exhibit of the Seatle World's Fair, November 30, 1961. 1961. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/seattle/id/3328. (Accessed June 19, 2018.)
APA citation style
Dudley, Roger, (1961) Winding passenger ramp under construction for the World of Tomorrow Exhibit of the Seatle World's Fair, November 30, 1961. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/seattle/id/3328
MLA citation style
Dudley, Roger. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/seattle/id/3328>.
Note: These citations are programmatically generated and may be incomplete.