UNITED STATES v. STAPF. The Oyez Project at IIT Chicago-Kent College of Law. 17 May 2012. <http://www.oyez.org/cases/1960-1969/1963/1963_54>.
UNITED STATES v. STAPF, The Oyez Project at IIT Chicago-Kent College of Law, http://www.oyez.org/cases/1960-1969/1963/1963_54 (last visited May 17, 2012).
"UNITED STATES v. STAPF," The Oyez Project at IIT Chicago-Kent College of Law, accessed May 17, 2012, http://www.oyez.org/cases/1960-1969/1963/1963_54.