UNITED STATES v. CHESAPEAKE & O. R. CO.. The Oyez Project at IIT Chicago-Kent College of Law. 16 May 2012. <http://www.oyez.org/cases/1950-1959/1956/1956_19>.
UNITED STATES v. CHESAPEAKE & O. R. CO., The Oyez Project at IIT Chicago-Kent College of Law, http://www.oyez.org/cases/1950-1959/1956/1956_19 (last visited May 16, 2012).
"UNITED STATES v. CHESAPEAKE & O. R. CO.," The Oyez Project at IIT Chicago-Kent College of Law, accessed May 16, 2012, http://www.oyez.org/cases/1950-1959/1956/1956_19.