Battle of Verdun ends. (2013). The History Channel website. Retrieved 8:46, May 21, 2013, from http://www.history.com/this-day-in-history/battle-of-verdun-ends.
Battle of Verdun ends. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/battle-of-verdun-ends [Accessed 21 May 2013].
“Battle of Verdun ends.” 2013. The History Channel website. May 21 2013, 8:46 http://www.history.com/this-day-in-history/battle-of-verdun-ends.
“Battle of Verdun ends,” The History Channel website, 2013, http://www.history.com/this-day-in-history/battle-of-verdun-ends [accessed May 21, 2013].
“Battle of Verdun ends,” The History Channel website, http://www.history.com/this-day-in-history/battle-of-verdun-ends (accessed May 21, 2013).
Battle of Verdun ends [Internet]. The History Channel website; 2013 [cited 2013 May 21] Available from: http://www.history.com/this-day-in-history/battle-of-verdun-ends.
Battle of Verdun ends, http://www.history.com/this-day-in-history/battle-of-verdun-ends (last visited May 21, 2013).
Battle of Verdun ends. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/battle-of-verdun-ends. Accessed May 21, 2013.