Speaker at a May Day celebration in Seattle, May 1, 1978

Chicago citation style
Speaker at a May Day celebration in Seattle, May 1, 1978. 1978. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/social/id/4258. (Accessed July 23, 2018.)
APA citation style
(1978) Speaker at a May Day celebration in Seattle, May 1, 1978. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/social/id/4258
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/social/id/4258>.
Note: These citations are programmatically generated and may be incomplete.