Heavy casualties suffered in the Battles of the Frontiers. (2013). The History Channel website. Retrieved 5:24, May 22, 2013, from http://www.history.com/this-day-in-history/heavy-casualties-suffered-in-the-battles-of-the-frontiers.
Heavy casualties suffered in the Battles of the Frontiers. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/heavy-casualties-suffered-in-the-battles-of-the-frontiers [Accessed 22 May 2013].
“Heavy casualties suffered in the Battles of the Frontiers.” 2013. The History Channel website. May 22 2013, 5:24 http://www.history.com/this-day-in-history/heavy-casualties-suffered-in-the-battles-of-the-frontiers.
“Heavy casualties suffered in the Battles of the Frontiers,” The History Channel website, 2013, http://www.history.com/this-day-in-history/heavy-casualties-suffered-in-the-battles-of-the-frontiers [accessed May 22, 2013].
“Heavy casualties suffered in the Battles of the Frontiers,” The History Channel website, http://www.history.com/this-day-in-history/heavy-casualties-suffered-in-the-battles-of-the-frontiers (accessed May 22, 2013).
Heavy casualties suffered in the Battles of the Frontiers [Internet]. The History Channel website; 2013 [cited 2013 May 22] Available from: http://www.history.com/this-day-in-history/heavy-casualties-suffered-in-the-battles-of-the-frontiers.
Heavy casualties suffered in the Battles of the Frontiers, http://www.history.com/this-day-in-history/heavy-casualties-suffered-in-the-battles-of-the-frontiers (last visited May 22, 2013).
Heavy casualties suffered in the Battles of the Frontiers. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/heavy-casualties-suffered-in-the-battles-of-the-frontiers. Accessed May 22, 2013.