WIRTZ v. HOTEL EMPLOYEES. The Oyez Project at IIT Chicago-Kent College of Law. 13 February 2012. <http://www.oyez.org/cases/1960-1969/1967/1967_891>.
WIRTZ v. HOTEL EMPLOYEES, The Oyez Project at IIT Chicago-Kent College of Law, http://www.oyez.org/cases/1960-1969/1967/1967_891 (last visited February 13, 2012).
"WIRTZ v. HOTEL EMPLOYEES," The Oyez Project at IIT Chicago-Kent College of Law, accessed February 13, 2012, http://www.oyez.org/cases/1960-1969/1967/1967_891.