RYAN v. UNITED STATES. The Oyez Project at IIT Chicago-Kent College of Law. 29 April 2013. <http://www.oyez.org/cases/1960-1969/1964/1964_12>.
RYAN v. UNITED STATES, The Oyez Project at IIT Chicago-Kent College of Law, http://www.oyez.org/cases/1960-1969/1964/1964_12 (last visited April 29, 2013).
"RYAN v. UNITED STATES," The Oyez Project at IIT Chicago-Kent College of Law, accessed April 29, 2013, http://www.oyez.org/cases/1960-1969/1964/1964_12.