U.S. Patent issued for three-point seatbelt. (2013). The History Channel website. Retrieved 1:12, June 19, 2013, from http://www.history.com/this-day-in-history/us-patent-issued-for-three-point-seatbelt.
U.S. Patent issued for three-point seatbelt. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/us-patent-issued-for-three-point-seatbelt [Accessed 19 Jun 2013].
“U.S. Patent issued for three-point seatbelt.” 2013. The History Channel website. Jun 19 2013, 1:12 http://www.history.com/this-day-in-history/us-patent-issued-for-three-point-seatbelt.
“U.S. Patent issued for three-point seatbelt,” The History Channel website, 2013, http://www.history.com/this-day-in-history/us-patent-issued-for-three-point-seatbelt [accessed Jun 19, 2013].
“U.S. Patent issued for three-point seatbelt,” The History Channel website, http://www.history.com/this-day-in-history/us-patent-issued-for-three-point-seatbelt (accessed Jun 19, 2013).
U.S. Patent issued for three-point seatbelt [Internet]. The History Channel website; 2013 [cited 2013 Jun 19] Available from: http://www.history.com/this-day-in-history/us-patent-issued-for-three-point-seatbelt.
U.S. Patent issued for three-point seatbelt, http://www.history.com/this-day-in-history/us-patent-issued-for-three-point-seatbelt (last visited Jun 19, 2013).
U.S. Patent issued for three-point seatbelt. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/us-patent-issued-for-three-point-seatbelt. Accessed Jun 19, 2013.