The Union Siege of Vicksburg. (2013). The History Channel website. Retrieved 9:09, May 23, 2013, from http://www.history.com/videos/the-union-siege-of-vicksburg.
The Union Siege of Vicksburg. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/videos/the-union-siege-of-vicksburg [Accessed 23 May 2013].
“The Union Siege of Vicksburg.” 2013. The History Channel website. May 23 2013, 9:09 http://www.history.com/videos/the-union-siege-of-vicksburg.
“The Union Siege of Vicksburg,” The History Channel website, 2013, http://www.history.com/videos/the-union-siege-of-vicksburg [accessed May 23, 2013].
“The Union Siege of Vicksburg,” The History Channel website, http://www.history.com/videos/the-union-siege-of-vicksburg (accessed May 23, 2013).
The Union Siege of Vicksburg [Internet]. The History Channel website; 2013 [cited 2013 May 23] Available from: http://www.history.com/videos/the-union-siege-of-vicksburg.
The Union Siege of Vicksburg, http://www.history.com/videos/the-union-siege-of-vicksburg (last visited May 23, 2013).
The Union Siege of Vicksburg. The History Channel website. 2013. Available at: http://www.history.com/videos/the-union-siege-of-vicksburg. Accessed May 23, 2013.