Second Battle of the Marne begins with final German offensive. (2013). The History Channel website. Retrieved 5:01, May 18, 2013, from http://www.history.com/this-day-in-history/second-battle-of-the-marne-begins-with-final-german-offensive.
Second Battle of the Marne begins with final German offensive. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/second-battle-of-the-marne-begins-with-final-german-offensive [Accessed 18 May 2013].
“Second Battle of the Marne begins with final German offensive.” 2013. The History Channel website. May 18 2013, 5:01 http://www.history.com/this-day-in-history/second-battle-of-the-marne-begins-with-final-german-offensive.
“Second Battle of the Marne begins with final German offensive,” The History Channel website, 2013, http://www.history.com/this-day-in-history/second-battle-of-the-marne-begins-with-final-german-offensive [accessed May 18, 2013].
“Second Battle of the Marne begins with final German offensive,” The History Channel website, http://www.history.com/this-day-in-history/second-battle-of-the-marne-begins-with-final-german-offensive (accessed May 18, 2013).
Second Battle of the Marne begins with final German offensive [Internet]. The History Channel website; 2013 [cited 2013 May 18] Available from: http://www.history.com/this-day-in-history/second-battle-of-the-marne-begins-with-final-german-offensive.
Second Battle of the Marne begins with final German offensive, http://www.history.com/this-day-in-history/second-battle-of-the-marne-begins-with-final-german-offensive (last visited May 18, 2013).
Second Battle of the Marne begins with final German offensive. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/second-battle-of-the-marne-begins-with-final-german-offensive. Accessed May 18, 2013.