Three race fans killed at Michigan Speedway. (2013). The History Channel website. Retrieved 2:10, June 20, 2013, from http://www.history.com/this-day-in-history/three-race-fans-killed-at-michigan-speedway.
Three race fans killed at Michigan Speedway. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/three-race-fans-killed-at-michigan-speedway [Accessed 20 Jun 2013].
“Three race fans killed at Michigan Speedway.” 2013. The History Channel website. Jun 20 2013, 2:10 http://www.history.com/this-day-in-history/three-race-fans-killed-at-michigan-speedway.
“Three race fans killed at Michigan Speedway,” The History Channel website, 2013, http://www.history.com/this-day-in-history/three-race-fans-killed-at-michigan-speedway [accessed Jun 20, 2013].
“Three race fans killed at Michigan Speedway,” The History Channel website, http://www.history.com/this-day-in-history/three-race-fans-killed-at-michigan-speedway (accessed Jun 20, 2013).
Three race fans killed at Michigan Speedway [Internet]. The History Channel website; 2013 [cited 2013 Jun 20] Available from: http://www.history.com/this-day-in-history/three-race-fans-killed-at-michigan-speedway.
Three race fans killed at Michigan Speedway, http://www.history.com/this-day-in-history/three-race-fans-killed-at-michigan-speedway (last visited Jun 20, 2013).
Three race fans killed at Michigan Speedway. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/three-race-fans-killed-at-michigan-speedway. Accessed Jun 20, 2013.