Gunfighter John Ringo found dead. (2013). The History Channel website. Retrieved 6:37, May 22, 2013, from http://www.history.com/this-day-in-history/gunfighter-john-ringo-found-dead.
Gunfighter John Ringo found dead. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/gunfighter-john-ringo-found-dead [Accessed 22 May 2013].
“Gunfighter John Ringo found dead.” 2013. The History Channel website. May 22 2013, 6:37 http://www.history.com/this-day-in-history/gunfighter-john-ringo-found-dead.
“Gunfighter John Ringo found dead,” The History Channel website, 2013, http://www.history.com/this-day-in-history/gunfighter-john-ringo-found-dead [accessed May 22, 2013].
“Gunfighter John Ringo found dead,” The History Channel website, http://www.history.com/this-day-in-history/gunfighter-john-ringo-found-dead (accessed May 22, 2013).
Gunfighter John Ringo found dead [Internet]. The History Channel website; 2013 [cited 2013 May 22] Available from: http://www.history.com/this-day-in-history/gunfighter-john-ringo-found-dead.
Gunfighter John Ringo found dead, http://www.history.com/this-day-in-history/gunfighter-john-ringo-found-dead (last visited May 22, 2013).
Gunfighter John Ringo found dead. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/gunfighter-john-ringo-found-dead. Accessed May 22, 2013.