Battle of the Bulge. (2013). The History Channel website. Retrieved 5:57, May 23, 2013, from http://www.history.com/this-day-in-history/battle-of-the-bulge.
Battle of the Bulge. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/battle-of-the-bulge [Accessed 23 May 2013].
“Battle of the Bulge.” 2013. The History Channel website. May 23 2013, 5:57 http://www.history.com/this-day-in-history/battle-of-the-bulge.
“Battle of the Bulge,” The History Channel website, 2013, http://www.history.com/this-day-in-history/battle-of-the-bulge [accessed May 23, 2013].
“Battle of the Bulge,” The History Channel website, http://www.history.com/this-day-in-history/battle-of-the-bulge (accessed May 23, 2013).
Battle of the Bulge [Internet]. The History Channel website; 2013 [cited 2013 May 23] Available from: http://www.history.com/this-day-in-history/battle-of-the-bulge.
Battle of the Bulge, http://www.history.com/this-day-in-history/battle-of-the-bulge (last visited May 23, 2013).
Battle of the Bulge. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/battle-of-the-bulge. Accessed May 23, 2013.