GM auctions off historic cars. (2013). The History Channel website. Retrieved 8:57, May 25, 2013, from http://www.history.com/this-day-in-history/gm-auctions-off-historic-cars.
GM auctions off historic cars. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/gm-auctions-off-historic-cars [Accessed 25 May 2013].
“GM auctions off historic cars.” 2013. The History Channel website. May 25 2013, 8:57 http://www.history.com/this-day-in-history/gm-auctions-off-historic-cars.
“GM auctions off historic cars,” The History Channel website, 2013, http://www.history.com/this-day-in-history/gm-auctions-off-historic-cars [accessed May 25, 2013].
“GM auctions off historic cars,” The History Channel website, http://www.history.com/this-day-in-history/gm-auctions-off-historic-cars (accessed May 25, 2013).
GM auctions off historic cars [Internet]. The History Channel website; 2013 [cited 2013 May 25] Available from: http://www.history.com/this-day-in-history/gm-auctions-off-historic-cars.
GM auctions off historic cars, http://www.history.com/this-day-in-history/gm-auctions-off-historic-cars (last visited May 25, 2013).
GM auctions off historic cars. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/gm-auctions-off-historic-cars. Accessed May 25, 2013.