UNITED STATES v. BISWELL. The Oyez Project at IIT Chicago-Kent College of Law. 12 February 2012. <http://www.oyez.org/cases/1970-1979/1971/1971_71_81>.
UNITED STATES v. BISWELL, The Oyez Project at IIT Chicago-Kent College of Law, http://www.oyez.org/cases/1970-1979/1971/1971_71_81 (last visited February 12, 2012).
"UNITED STATES v. BISWELL," The Oyez Project at IIT Chicago-Kent College of Law, accessed February 12, 2012, http://www.oyez.org/cases/1970-1979/1971/1971_71_81.