BUTZ v. GLOVER LIVESTOCK COMM'N CO.. The Oyez Project at IIT Chicago-Kent College of Law. 13 February 2012. <http://www.oyez.org/cases/1970-1979/1972/1972_71_1545>.
BUTZ v. GLOVER LIVESTOCK COMM'N CO., The Oyez Project at IIT Chicago-Kent College of Law, http://www.oyez.org/cases/1970-1979/1972/1972_71_1545 (last visited February 13, 2012).
"BUTZ v. GLOVER LIVESTOCK COMM'N CO.," The Oyez Project at IIT Chicago-Kent College of Law, accessed February 13, 2012, http://www.oyez.org/cases/1970-1979/1972/1972_71_1545.