POWELL v. TEXAS. The Oyez Project at IIT Chicago-Kent College of Law. 12 February 2012. <http://www.oyez.org/cases/1960-1969/1967/1967_405>.
POWELL v. TEXAS, The Oyez Project at IIT Chicago-Kent College of Law, http://www.oyez.org/cases/1960-1969/1967/1967_405 (last visited February 12, 2012).
"POWELL v. TEXAS," The Oyez Project at IIT Chicago-Kent College of Law, accessed February 12, 2012, http://www.oyez.org/cases/1960-1969/1967/1967_405.