Jackie Joyner-Kersee wins gold in heptathlon, again. (2013). The History Channel website. Retrieved 11:55, May 20, 2013, from http://www.history.com/this-day-in-history/jackie-joyner-kersee-wins-gold-in-heptathlon-again.
Jackie Joyner-Kersee wins gold in heptathlon, again. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/jackie-joyner-kersee-wins-gold-in-heptathlon-again [Accessed 20 May 2013].
“Jackie Joyner-Kersee wins gold in heptathlon, again.” 2013. The History Channel website. May 20 2013, 11:55 http://www.history.com/this-day-in-history/jackie-joyner-kersee-wins-gold-in-heptathlon-again.
“Jackie Joyner-Kersee wins gold in heptathlon, again,” The History Channel website, 2013, http://www.history.com/this-day-in-history/jackie-joyner-kersee-wins-gold-in-heptathlon-again [accessed May 20, 2013].
“Jackie Joyner-Kersee wins gold in heptathlon, again,” The History Channel website, http://www.history.com/this-day-in-history/jackie-joyner-kersee-wins-gold-in-heptathlon-again (accessed May 20, 2013).
Jackie Joyner-Kersee wins gold in heptathlon, again [Internet]. The History Channel website; 2013 [cited 2013 May 20] Available from: http://www.history.com/this-day-in-history/jackie-joyner-kersee-wins-gold-in-heptathlon-again.
Jackie Joyner-Kersee wins gold in heptathlon, again, http://www.history.com/this-day-in-history/jackie-joyner-kersee-wins-gold-in-heptathlon-again (last visited May 20, 2013).
Jackie Joyner-Kersee wins gold in heptathlon, again. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/jackie-joyner-kersee-wins-gold-in-heptathlon-again. Accessed May 20, 2013.