Speaker and displays at demonstration, probably in Seattle, January 20, 1978

Chicago citation style
Speaker and displays at demonstration, probably in Seattle, January 20, 1978. 1978. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/jhp/id/2177. (Accessed June 19, 2018.)
APA citation style
(1978) Speaker and displays at demonstration, probably in Seattle, January 20, 1978. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/jhp/id/2177
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/jhp/id/2177>.
Note: These citations are programmatically generated and may be incomplete.