KIRBY v. ILLINOIS. The Oyez Project at IIT Chicago-Kent College of Law. 13 February 2012. <http://www.oyez.org/cases/1970-1979/1971/1971_70_5061>.
KIRBY v. ILLINOIS, The Oyez Project at IIT Chicago-Kent College of Law, http://www.oyez.org/cases/1970-1979/1971/1971_70_5061 (last visited February 13, 2012).
"KIRBY v. ILLINOIS," The Oyez Project at IIT Chicago-Kent College of Law, accessed February 13, 2012, http://www.oyez.org/cases/1970-1979/1971/1971_70_5061.