JOHNSTON v. UNITED STATES. The Oyez Project at IIT Chicago-Kent College of Law. 13 February 2012. <http://www.oyez.org/cases/1950-1959/1955/1955_643>.
JOHNSTON v. UNITED STATES, The Oyez Project at IIT Chicago-Kent College of Law, http://www.oyez.org/cases/1950-1959/1955/1955_643 (last visited February 13, 2012).
"JOHNSTON v. UNITED STATES," The Oyez Project at IIT Chicago-Kent College of Law, accessed February 13, 2012, http://www.oyez.org/cases/1950-1959/1955/1955_643.