WALLIS v. PAN AMERICAN PET. CORP.. The Oyez Project at IIT Chicago-Kent College of Law. 26 April 2013. <http://www.oyez.org/cases/1960-1969/1965/1965_341>.
WALLIS v. PAN AMERICAN PET. CORP., The Oyez Project at IIT Chicago-Kent College of Law, http://www.oyez.org/cases/1960-1969/1965/1965_341 (last visited April 26, 2013).
"WALLIS v. PAN AMERICAN PET. CORP.," The Oyez Project at IIT Chicago-Kent College of Law, accessed April 26, 2013, http://www.oyez.org/cases/1960-1969/1965/1965_341.