U.S. v. MISSISSIPPI VALLEY CO.. The Oyez Project at IIT Chicago-Kent College of Law. 16 May 2012. <http://www.oyez.org/cases/1960-1969/1960/1960_26>.
U.S. v. MISSISSIPPI VALLEY CO., The Oyez Project at IIT Chicago-Kent College of Law, http://www.oyez.org/cases/1960-1969/1960/1960_26 (last visited May 16, 2012).
"U.S. v. MISSISSIPPI VALLEY CO.," The Oyez Project at IIT Chicago-Kent College of Law, accessed May 16, 2012, http://www.oyez.org/cases/1960-1969/1960/1960_26.