Shoemaker becomes oldest man to win Kentucky Derby. (2013). The History Channel website. Retrieved 10:06, June 18, 2013, from http://www.history.com/this-day-in-history/shoemaker-becomes-oldest-man-to-win-kentucky-derby.
Shoemaker becomes oldest man to win Kentucky Derby. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/shoemaker-becomes-oldest-man-to-win-kentucky-derby [Accessed 18 Jun 2013].
“Shoemaker becomes oldest man to win Kentucky Derby.” 2013. The History Channel website. Jun 18 2013, 10:06 http://www.history.com/this-day-in-history/shoemaker-becomes-oldest-man-to-win-kentucky-derby.
“Shoemaker becomes oldest man to win Kentucky Derby,” The History Channel website, 2013, http://www.history.com/this-day-in-history/shoemaker-becomes-oldest-man-to-win-kentucky-derby [accessed Jun 18, 2013].
“Shoemaker becomes oldest man to win Kentucky Derby,” The History Channel website, http://www.history.com/this-day-in-history/shoemaker-becomes-oldest-man-to-win-kentucky-derby (accessed Jun 18, 2013).
Shoemaker becomes oldest man to win Kentucky Derby [Internet]. The History Channel website; 2013 [cited 2013 Jun 18] Available from: http://www.history.com/this-day-in-history/shoemaker-becomes-oldest-man-to-win-kentucky-derby.
Shoemaker becomes oldest man to win Kentucky Derby, http://www.history.com/this-day-in-history/shoemaker-becomes-oldest-man-to-win-kentucky-derby (last visited Jun 18, 2013).
Shoemaker becomes oldest man to win Kentucky Derby. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/shoemaker-becomes-oldest-man-to-win-kentucky-derby. Accessed Jun 18, 2013.