TRAIN v. CAMPAIGN CLEAN WATER. The Oyez Project at IIT Chicago-Kent College of Law. 13 February 2012. <http://www.oyez.org/cases/1970-1979/1974/1974_73_1378>.
TRAIN v. CAMPAIGN CLEAN WATER, The Oyez Project at IIT Chicago-Kent College of Law, http://www.oyez.org/cases/1970-1979/1974/1974_73_1378 (last visited February 13, 2012).
"TRAIN v. CAMPAIGN CLEAN WATER," The Oyez Project at IIT Chicago-Kent College of Law, accessed February 13, 2012, http://www.oyez.org/cases/1970-1979/1974/1974_73_1378.