Earth Day demonstration: State Police in riot equipment, Logan Airport

Chicago citation style
Grant, Spencer, 1944-. Earth Day demonstration: State Police in riot equipment, Logan Airport. 1970. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/cr56n156k. (Accessed June 24, 2018.)
APA citation style
Grant, Spencer, 1944-, (1970) Earth Day demonstration: State Police in riot equipment, Logan Airport. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/cr56n156k
MLA citation style
Grant, Spencer, 1944-. Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/cr56n156k>.
Note: These citations are programmatically generated and may be incomplete.