PICKERING v. BOARD OF EDUCATION. The Oyez Project at IIT Chicago-Kent College of Law. 11 February 2012. <http://www.oyez.org/cases/1960-1969/1967/1967_510>.
PICKERING v. BOARD OF EDUCATION, The Oyez Project at IIT Chicago-Kent College of Law, http://www.oyez.org/cases/1960-1969/1967/1967_510 (last visited February 11, 2012).
"PICKERING v. BOARD OF EDUCATION," The Oyez Project at IIT Chicago-Kent College of Law, accessed February 11, 2012, http://www.oyez.org/cases/1960-1969/1967/1967_510.