UNITED STATES v. ROBEL. The Oyez Project at IIT Chicago-Kent College of Law. 17 May 2012. <http://www.oyez.org/cases/1960-1969/1966/1966_8>.
UNITED STATES v. ROBEL, The Oyez Project at IIT Chicago-Kent College of Law, http://www.oyez.org/cases/1960-1969/1966/1966_8 (last visited May 17, 2012).
"UNITED STATES v. ROBEL," The Oyez Project at IIT Chicago-Kent College of Law, accessed May 17, 2012, http://www.oyez.org/cases/1960-1969/1966/1966_8.