George Foreman becomes oldest heavyweight champ. (2013). The History Channel website. Retrieved 7:41, May 19, 2013, from http://www.history.com/this-day-in-history/george-foreman-becomes-oldest-heavyweight-champ.
George Foreman becomes oldest heavyweight champ. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/george-foreman-becomes-oldest-heavyweight-champ [Accessed 19 May 2013].
“George Foreman becomes oldest heavyweight champ.” 2013. The History Channel website. May 19 2013, 7:41 http://www.history.com/this-day-in-history/george-foreman-becomes-oldest-heavyweight-champ.
“George Foreman becomes oldest heavyweight champ,” The History Channel website, 2013, http://www.history.com/this-day-in-history/george-foreman-becomes-oldest-heavyweight-champ [accessed May 19, 2013].
“George Foreman becomes oldest heavyweight champ,” The History Channel website, http://www.history.com/this-day-in-history/george-foreman-becomes-oldest-heavyweight-champ (accessed May 19, 2013).
George Foreman becomes oldest heavyweight champ [Internet]. The History Channel website; 2013 [cited 2013 May 19] Available from: http://www.history.com/this-day-in-history/george-foreman-becomes-oldest-heavyweight-champ.
George Foreman becomes oldest heavyweight champ, http://www.history.com/this-day-in-history/george-foreman-becomes-oldest-heavyweight-champ (last visited May 19, 2013).
George Foreman becomes oldest heavyweight champ. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/george-foreman-becomes-oldest-heavyweight-champ. Accessed May 19, 2013.