Ask History: Crossing the Rubicon. (2013). The History Channel website. Retrieved 3:05, May 24, 2013, from http://www.history.com/videos/ask-history-crossing-the-rubicon.
Ask History: Crossing the Rubicon. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/videos/ask-history-crossing-the-rubicon [Accessed 24 May 2013].
“Ask History: Crossing the Rubicon.” 2013. The History Channel website. May 24 2013, 3:05 http://www.history.com/videos/ask-history-crossing-the-rubicon.
“Ask History: Crossing the Rubicon,” The History Channel website, 2013, http://www.history.com/videos/ask-history-crossing-the-rubicon [accessed May 24, 2013].
“Ask History: Crossing the Rubicon,” The History Channel website, http://www.history.com/videos/ask-history-crossing-the-rubicon (accessed May 24, 2013).
Ask History: Crossing the Rubicon [Internet]. The History Channel website; 2013 [cited 2013 May 24] Available from: http://www.history.com/videos/ask-history-crossing-the-rubicon.
Ask History: Crossing the Rubicon, http://www.history.com/videos/ask-history-crossing-the-rubicon (last visited May 24, 2013).
Ask History: Crossing the Rubicon. The History Channel website. 2013. Available at: http://www.history.com/videos/ask-history-crossing-the-rubicon. Accessed May 24, 2013.