First Dymaxion car produced. (2013). The History Channel website. Retrieved 9:50, May 24, 2013, from http://www.history.com/this-day-in-history/first-dymaxion-car-produced.
First Dymaxion car produced. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/first-dymaxion-car-produced [Accessed 24 May 2013].
“First Dymaxion car produced.” 2013. The History Channel website. May 24 2013, 9:50 http://www.history.com/this-day-in-history/first-dymaxion-car-produced.
“First Dymaxion car produced,” The History Channel website, 2013, http://www.history.com/this-day-in-history/first-dymaxion-car-produced [accessed May 24, 2013].
“First Dymaxion car produced,” The History Channel website, http://www.history.com/this-day-in-history/first-dymaxion-car-produced (accessed May 24, 2013).
First Dymaxion car produced [Internet]. The History Channel website; 2013 [cited 2013 May 24] Available from: http://www.history.com/this-day-in-history/first-dymaxion-car-produced.
First Dymaxion car produced, http://www.history.com/this-day-in-history/first-dymaxion-car-produced (last visited May 24, 2013).
First Dymaxion car produced. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/first-dymaxion-car-produced. Accessed May 24, 2013.