Students die in Chicago school fire. (2013). The History Channel website. Retrieved 1:51, May 25, 2013, from http://www.history.com/this-day-in-history/students-die-in-chicago-school-fire.
Students die in Chicago school fire. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/students-die-in-chicago-school-fire [Accessed 25 May 2013].
“Students die in Chicago school fire.” 2013. The History Channel website. May 25 2013, 1:51 http://www.history.com/this-day-in-history/students-die-in-chicago-school-fire.
“Students die in Chicago school fire,” The History Channel website, 2013, http://www.history.com/this-day-in-history/students-die-in-chicago-school-fire [accessed May 25, 2013].
“Students die in Chicago school fire,” The History Channel website, http://www.history.com/this-day-in-history/students-die-in-chicago-school-fire (accessed May 25, 2013).
Students die in Chicago school fire [Internet]. The History Channel website; 2013 [cited 2013 May 25] Available from: http://www.history.com/this-day-in-history/students-die-in-chicago-school-fire.
Students die in Chicago school fire, http://www.history.com/this-day-in-history/students-die-in-chicago-school-fire (last visited May 25, 2013).
Students die in Chicago school fire. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/students-die-in-chicago-school-fire. Accessed May 25, 2013.