WILLIS v. PRUDENTIAL INSURANCE COMPANY OF AMERICA. The Oyez Project at IIT Chicago-Kent College of Law. 26 April 2013. <http://www.oyez.org/cases/1970-1979/1971/1971_70_5344>.
WILLIS v. PRUDENTIAL INSURANCE COMPANY OF AMERICA, The Oyez Project at IIT Chicago-Kent College of Law, http://www.oyez.org/cases/1970-1979/1971/1971_70_5344 (last visited April 26, 2013).
"WILLIS v. PRUDENTIAL INSURANCE COMPANY OF AMERICA," The Oyez Project at IIT Chicago-Kent College of Law, accessed April 26, 2013, http://www.oyez.org/cases/1970-1979/1971/1971_70_5344.