Tom Horn is hanged in Wyoming for the murder of Willie Nickell. (2013). The History Channel website. Retrieved 6:34, May 21, 2013, from http://www.history.com/this-day-in-history/tom-horn-is-hanged-in-wyoming-for-the-murder-of-willie-nickell.
Tom Horn is hanged in Wyoming for the murder of Willie Nickell. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/tom-horn-is-hanged-in-wyoming-for-the-murder-of-willie-nickell [Accessed 21 May 2013].
“Tom Horn is hanged in Wyoming for the murder of Willie Nickell.” 2013. The History Channel website. May 21 2013, 6:34 http://www.history.com/this-day-in-history/tom-horn-is-hanged-in-wyoming-for-the-murder-of-willie-nickell.
“Tom Horn is hanged in Wyoming for the murder of Willie Nickell,” The History Channel website, 2013, http://www.history.com/this-day-in-history/tom-horn-is-hanged-in-wyoming-for-the-murder-of-willie-nickell [accessed May 21, 2013].
“Tom Horn is hanged in Wyoming for the murder of Willie Nickell,” The History Channel website, http://www.history.com/this-day-in-history/tom-horn-is-hanged-in-wyoming-for-the-murder-of-willie-nickell (accessed May 21, 2013).
Tom Horn is hanged in Wyoming for the murder of Willie Nickell [Internet]. The History Channel website; 2013 [cited 2013 May 21] Available from: http://www.history.com/this-day-in-history/tom-horn-is-hanged-in-wyoming-for-the-murder-of-willie-nickell.
Tom Horn is hanged in Wyoming for the murder of Willie Nickell, http://www.history.com/this-day-in-history/tom-horn-is-hanged-in-wyoming-for-the-murder-of-willie-nickell (last visited May 21, 2013).
Tom Horn is hanged in Wyoming for the murder of Willie Nickell. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/tom-horn-is-hanged-in-wyoming-for-the-murder-of-willie-nickell. Accessed May 21, 2013.