Duke Godfrey Leads the First Crusade. (2013). The History Channel website. Retrieved 9:43, May 23, 2013, from http://www.history.com/videos/duke-godfrey-leads-the-first-crusade.
Duke Godfrey Leads the First Crusade. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/videos/duke-godfrey-leads-the-first-crusade [Accessed 23 May 2013].
“Duke Godfrey Leads the First Crusade.” 2013. The History Channel website. May 23 2013, 9:43 http://www.history.com/videos/duke-godfrey-leads-the-first-crusade.
“Duke Godfrey Leads the First Crusade,” The History Channel website, 2013, http://www.history.com/videos/duke-godfrey-leads-the-first-crusade [accessed May 23, 2013].
“Duke Godfrey Leads the First Crusade,” The History Channel website, http://www.history.com/videos/duke-godfrey-leads-the-first-crusade (accessed May 23, 2013).
Duke Godfrey Leads the First Crusade [Internet]. The History Channel website; 2013 [cited 2013 May 23] Available from: http://www.history.com/videos/duke-godfrey-leads-the-first-crusade.
Duke Godfrey Leads the First Crusade, http://www.history.com/videos/duke-godfrey-leads-the-first-crusade (last visited May 23, 2013).
Duke Godfrey Leads the First Crusade. The History Channel website. 2013. Available at: http://www.history.com/videos/duke-godfrey-leads-the-first-crusade. Accessed May 23, 2013.