LAWN v. UNITED STATES. The Oyez Project at IIT Chicago-Kent College of Law. 28 April 2013. <http://www.oyez.org/cases/1950-1959/1957/1957_9>.
LAWN v. UNITED STATES, The Oyez Project at IIT Chicago-Kent College of Law, http://www.oyez.org/cases/1950-1959/1957/1957_9 (last visited April 28, 2013).
"LAWN v. UNITED STATES," The Oyez Project at IIT Chicago-Kent College of Law, accessed April 28, 2013, http://www.oyez.org/cases/1950-1959/1957/1957_9.