Battle of the Marne begins. (2013). The History Channel website. Retrieved 11:07, May 18, 2013, from http://www.history.com/this-day-in-history/battle-of-the-marne-begins.
Battle of the Marne begins. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/battle-of-the-marne-begins [Accessed 18 May 2013].
“Battle of the Marne begins.” 2013. The History Channel website. May 18 2013, 11:07 http://www.history.com/this-day-in-history/battle-of-the-marne-begins.
“Battle of the Marne begins,” The History Channel website, 2013, http://www.history.com/this-day-in-history/battle-of-the-marne-begins [accessed May 18, 2013].
“Battle of the Marne begins,” The History Channel website, http://www.history.com/this-day-in-history/battle-of-the-marne-begins (accessed May 18, 2013).
Battle of the Marne begins [Internet]. The History Channel website; 2013 [cited 2013 May 18] Available from: http://www.history.com/this-day-in-history/battle-of-the-marne-begins.
Battle of the Marne begins, http://www.history.com/this-day-in-history/battle-of-the-marne-begins (last visited May 18, 2013).
Battle of the Marne begins. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/battle-of-the-marne-begins. Accessed May 18, 2013.