Billy the Kid is shot to death. (2013). The History Channel website. Retrieved 9:08, May 22, 2013, from http://www.history.com/this-day-in-history/billy-the-kid-is-shot-to-death.
Billy the Kid is shot to death. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/billy-the-kid-is-shot-to-death [Accessed 22 May 2013].
“Billy the Kid is shot to death.” 2013. The History Channel website. May 22 2013, 9:08 http://www.history.com/this-day-in-history/billy-the-kid-is-shot-to-death.
“Billy the Kid is shot to death,” The History Channel website, 2013, http://www.history.com/this-day-in-history/billy-the-kid-is-shot-to-death [accessed May 22, 2013].
“Billy the Kid is shot to death,” The History Channel website, http://www.history.com/this-day-in-history/billy-the-kid-is-shot-to-death (accessed May 22, 2013).
Billy the Kid is shot to death [Internet]. The History Channel website; 2013 [cited 2013 May 22] Available from: http://www.history.com/this-day-in-history/billy-the-kid-is-shot-to-death.
Billy the Kid is shot to death, http://www.history.com/this-day-in-history/billy-the-kid-is-shot-to-death (last visited May 22, 2013).
Billy the Kid is shot to death. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/billy-the-kid-is-shot-to-death. Accessed May 22, 2013.