Former U.S. president and Confederate congressman-elect John Tyler dies. (2013). The History Channel website. Retrieved 1:47, May 19, 2013, from http://www.history.com/this-day-in-history/john-tyler-dies.
Former U.S. president and Confederate congressman-elect John Tyler dies. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/john-tyler-dies [Accessed 19 May 2013].
“Former U.S. president and Confederate congressman-elect John Tyler dies.” 2013. The History Channel website. May 19 2013, 1:47 http://www.history.com/this-day-in-history/john-tyler-dies.
“Former U.S. president and Confederate congressman-elect John Tyler dies,” The History Channel website, 2013, http://www.history.com/this-day-in-history/john-tyler-dies [accessed May 19, 2013].
“Former U.S. president and Confederate congressman-elect John Tyler dies,” The History Channel website, http://www.history.com/this-day-in-history/john-tyler-dies (accessed May 19, 2013).
Former U.S. president and Confederate congressman-elect John Tyler dies [Internet]. The History Channel website; 2013 [cited 2013 May 19] Available from: http://www.history.com/this-day-in-history/john-tyler-dies.
Former U.S. president and Confederate congressman-elect John Tyler dies, http://www.history.com/this-day-in-history/john-tyler-dies (last visited May 19, 2013).
Former U.S. president and Confederate congressman-elect John Tyler dies. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/john-tyler-dies. Accessed May 19, 2013.