O'Connor nominated to Supreme Court. (2013). The History Channel website. Retrieved 7:20, June 20, 2013, from http://www.history.com/this-day-in-history/oconnor-nominated-to-supreme-court.
O'Connor nominated to Supreme Court. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/oconnor-nominated-to-supreme-court [Accessed 20 Jun 2013].
“O'Connor nominated to Supreme Court.” 2013. The History Channel website. Jun 20 2013, 7:20 http://www.history.com/this-day-in-history/oconnor-nominated-to-supreme-court.
“O'Connor nominated to Supreme Court,” The History Channel website, 2013, http://www.history.com/this-day-in-history/oconnor-nominated-to-supreme-court [accessed Jun 20, 2013].
“O'Connor nominated to Supreme Court,” The History Channel website, http://www.history.com/this-day-in-history/oconnor-nominated-to-supreme-court (accessed Jun 20, 2013).
O'Connor nominated to Supreme Court [Internet]. The History Channel website; 2013 [cited 2013 Jun 20] Available from: http://www.history.com/this-day-in-history/oconnor-nominated-to-supreme-court.
O'Connor nominated to Supreme Court, http://www.history.com/this-day-in-history/oconnor-nominated-to-supreme-court (last visited Jun 20, 2013).
O'Connor nominated to Supreme Court. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/oconnor-nominated-to-supreme-court. Accessed Jun 20, 2013.