Commuter trains collide in England. (2013). The History Channel website. Retrieved 10:11, May 22, 2013, from http://www.history.com/this-day-in-history/commuter-trains-collide-in-england.
Commuter trains collide in England. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/commuter-trains-collide-in-england [Accessed 22 May 2013].
“Commuter trains collide in England.” 2013. The History Channel website. May 22 2013, 10:11 http://www.history.com/this-day-in-history/commuter-trains-collide-in-england.
“Commuter trains collide in England,” The History Channel website, 2013, http://www.history.com/this-day-in-history/commuter-trains-collide-in-england [accessed May 22, 2013].
“Commuter trains collide in England,” The History Channel website, http://www.history.com/this-day-in-history/commuter-trains-collide-in-england (accessed May 22, 2013).
Commuter trains collide in England [Internet]. The History Channel website; 2013 [cited 2013 May 22] Available from: http://www.history.com/this-day-in-history/commuter-trains-collide-in-england.
Commuter trains collide in England, http://www.history.com/this-day-in-history/commuter-trains-collide-in-england (last visited May 22, 2013).
Commuter trains collide in England. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/commuter-trains-collide-in-england. Accessed May 22, 2013.