Helix, Vol. 9, no. 3 (July 31, 1969), cover

Chicago citation style
Dorpat, Paul, editor. Helix, Vol. 9, no. 3 (July 31, 1969), cover. 1969. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/protests/id/475. (Accessed August 20, 2018.)
APA citation style
Dorpat, Paul, editor, (1969) Helix, Vol. 9, no. 3 (July 31, 1969), cover. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/protests/id/475
MLA citation style
Dorpat, Paul, editor. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/protests/id/475>.
Note: These citations are programmatically generated and may be incomplete.