King Charles I executed for treason. (2013). The History Channel website. Retrieved 10:48, May 23, 2013, from http://www.history.com/this-day-in-history/king-charles-i-executed-for-treason.
King Charles I executed for treason. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/king-charles-i-executed-for-treason [Accessed 23 May 2013].
“King Charles I executed for treason.” 2013. The History Channel website. May 23 2013, 10:48 http://www.history.com/this-day-in-history/king-charles-i-executed-for-treason.
“King Charles I executed for treason,” The History Channel website, 2013, http://www.history.com/this-day-in-history/king-charles-i-executed-for-treason [accessed May 23, 2013].
“King Charles I executed for treason,” The History Channel website, http://www.history.com/this-day-in-history/king-charles-i-executed-for-treason (accessed May 23, 2013).
King Charles I executed for treason [Internet]. The History Channel website; 2013 [cited 2013 May 23] Available from: http://www.history.com/this-day-in-history/king-charles-i-executed-for-treason.
King Charles I executed for treason, http://www.history.com/this-day-in-history/king-charles-i-executed-for-treason (last visited May 23, 2013).
King Charles I executed for treason. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/king-charles-i-executed-for-treason. Accessed May 23, 2013.