Army major kills 13 people in Fort Hood shooting spree. (2013). The History Channel website. Retrieved 9:42, May 19, 2013, from http://www.history.com/this-day-in-history/army-major-kills-13-people-in-fort-hood-shooting-spree.
Army major kills 13 people in Fort Hood shooting spree. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/army-major-kills-13-people-in-fort-hood-shooting-spree [Accessed 19 May 2013].
“Army major kills 13 people in Fort Hood shooting spree.” 2013. The History Channel website. May 19 2013, 9:42 http://www.history.com/this-day-in-history/army-major-kills-13-people-in-fort-hood-shooting-spree.
“Army major kills 13 people in Fort Hood shooting spree,” The History Channel website, 2013, http://www.history.com/this-day-in-history/army-major-kills-13-people-in-fort-hood-shooting-spree [accessed May 19, 2013].
“Army major kills 13 people in Fort Hood shooting spree,” The History Channel website, http://www.history.com/this-day-in-history/army-major-kills-13-people-in-fort-hood-shooting-spree (accessed May 19, 2013).
Army major kills 13 people in Fort Hood shooting spree [Internet]. The History Channel website; 2013 [cited 2013 May 19] Available from: http://www.history.com/this-day-in-history/army-major-kills-13-people-in-fort-hood-shooting-spree.
Army major kills 13 people in Fort Hood shooting spree, http://www.history.com/this-day-in-history/army-major-kills-13-people-in-fort-hood-shooting-spree (last visited May 19, 2013).
Army major kills 13 people in Fort Hood shooting spree. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/army-major-kills-13-people-in-fort-hood-shooting-spree. Accessed May 19, 2013.