Kennedy and Nixon square off in a televised presidential debate. (2013). The History Channel website. Retrieved 12:47, May 20, 2013, from http://www.history.com/this-day-in-history/kennedy-and-nixon-square-off-in-a-televised-presidential-debate.
Kennedy and Nixon square off in a televised presidential debate. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/kennedy-and-nixon-square-off-in-a-televised-presidential-debate [Accessed 20 May 2013].
“Kennedy and Nixon square off in a televised presidential debate.” 2013. The History Channel website. May 20 2013, 12:47 http://www.history.com/this-day-in-history/kennedy-and-nixon-square-off-in-a-televised-presidential-debate.
“Kennedy and Nixon square off in a televised presidential debate,” The History Channel website, 2013, http://www.history.com/this-day-in-history/kennedy-and-nixon-square-off-in-a-televised-presidential-debate [accessed May 20, 2013].
“Kennedy and Nixon square off in a televised presidential debate,” The History Channel website, http://www.history.com/this-day-in-history/kennedy-and-nixon-square-off-in-a-televised-presidential-debate (accessed May 20, 2013).
Kennedy and Nixon square off in a televised presidential debate [Internet]. The History Channel website; 2013 [cited 2013 May 20] Available from: http://www.history.com/this-day-in-history/kennedy-and-nixon-square-off-in-a-televised-presidential-debate.
Kennedy and Nixon square off in a televised presidential debate, http://www.history.com/this-day-in-history/kennedy-and-nixon-square-off-in-a-televised-presidential-debate (last visited May 20, 2013).
Kennedy and Nixon square off in a televised presidential debate. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/kennedy-and-nixon-square-off-in-a-televised-presidential-debate. Accessed May 20, 2013.