Libertarian signs on car, Harvard Square, Cambridge

Chicago citation style
Grant, Spencer, 1944-. Libertarian signs on car, Harvard Square, Cambridge. 1978. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/df65vc48c. (Accessed July 20, 2018.)
APA citation style
Grant, Spencer, 1944-, (1978) Libertarian signs on car, Harvard Square, Cambridge. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/df65vc48c
MLA citation style
Grant, Spencer, 1944-. Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/df65vc48c>.
Note: These citations are programmatically generated and may be incomplete.