Mack Truck founder killed in car crash. (2013). The History Channel website. Retrieved 6:53, May 18, 2013, from http://www.history.com/this-day-in-history/mack-truck-founder-killed-in-car-crash.
Mack Truck founder killed in car crash. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/mack-truck-founder-killed-in-car-crash [Accessed 18 May 2013].
“Mack Truck founder killed in car crash.” 2013. The History Channel website. May 18 2013, 6:53 http://www.history.com/this-day-in-history/mack-truck-founder-killed-in-car-crash.
“Mack Truck founder killed in car crash,” The History Channel website, 2013, http://www.history.com/this-day-in-history/mack-truck-founder-killed-in-car-crash [accessed May 18, 2013].
“Mack Truck founder killed in car crash,” The History Channel website, http://www.history.com/this-day-in-history/mack-truck-founder-killed-in-car-crash (accessed May 18, 2013).
Mack Truck founder killed in car crash [Internet]. The History Channel website; 2013 [cited 2013 May 18] Available from: http://www.history.com/this-day-in-history/mack-truck-founder-killed-in-car-crash.
Mack Truck founder killed in car crash, http://www.history.com/this-day-in-history/mack-truck-founder-killed-in-car-crash (last visited May 18, 2013).
Mack Truck founder killed in car crash. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/mack-truck-founder-killed-in-car-crash. Accessed May 18, 2013.