ILLINOIS v. SOMERVILLE. The Oyez Project at IIT Chicago-Kent College of Law. 13 February 2012. <http://www.oyez.org/cases/1970-1979/1972/1972_71_692>.
ILLINOIS v. SOMERVILLE, The Oyez Project at IIT Chicago-Kent College of Law, http://www.oyez.org/cases/1970-1979/1972/1972_71_692 (last visited February 13, 2012).
"ILLINOIS v. SOMERVILLE," The Oyez Project at IIT Chicago-Kent College of Law, accessed February 13, 2012, http://www.oyez.org/cases/1970-1979/1972/1972_71_692.