HOPKINS v. COHEN. The Oyez Project at IIT Chicago-Kent College of Law. 17 May 2012. <http://www.oyez.org/cases/1960-1969/1967/1967_276>.
HOPKINS v. COHEN, The Oyez Project at IIT Chicago-Kent College of Law, http://www.oyez.org/cases/1960-1969/1967/1967_276 (last visited May 17, 2012).
"HOPKINS v. COHEN," The Oyez Project at IIT Chicago-Kent College of Law, accessed May 17, 2012, http://www.oyez.org/cases/1960-1969/1967/1967_276.