Battle of Tannenberg begins. (2013). The History Channel website. Retrieved 4:50, May 24, 2013, from http://www.history.com/this-day-in-history/battle-of-tannenberg-begins.
Battle of Tannenberg begins. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/battle-of-tannenberg-begins [Accessed 24 May 2013].
“Battle of Tannenberg begins.” 2013. The History Channel website. May 24 2013, 4:50 http://www.history.com/this-day-in-history/battle-of-tannenberg-begins.
“Battle of Tannenberg begins,” The History Channel website, 2013, http://www.history.com/this-day-in-history/battle-of-tannenberg-begins [accessed May 24, 2013].
“Battle of Tannenberg begins,” The History Channel website, http://www.history.com/this-day-in-history/battle-of-tannenberg-begins (accessed May 24, 2013).
Battle of Tannenberg begins [Internet]. The History Channel website; 2013 [cited 2013 May 24] Available from: http://www.history.com/this-day-in-history/battle-of-tannenberg-begins.
Battle of Tannenberg begins, http://www.history.com/this-day-in-history/battle-of-tannenberg-begins (last visited May 24, 2013).
Battle of Tannenberg begins. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/battle-of-tannenberg-begins. Accessed May 24, 2013.