Three-point seatbelt inventor Nils Bohlin born. (2013). The History Channel website. Retrieved 9:56, May 25, 2013, from http://www.history.com/this-day-in-history/three-point-seatbelt-inventor-nils-bohlin-born.
Three-point seatbelt inventor Nils Bohlin born. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/three-point-seatbelt-inventor-nils-bohlin-born [Accessed 25 May 2013].
“Three-point seatbelt inventor Nils Bohlin born.” 2013. The History Channel website. May 25 2013, 9:56 http://www.history.com/this-day-in-history/three-point-seatbelt-inventor-nils-bohlin-born.
“Three-point seatbelt inventor Nils Bohlin born,” The History Channel website, 2013, http://www.history.com/this-day-in-history/three-point-seatbelt-inventor-nils-bohlin-born [accessed May 25, 2013].
“Three-point seatbelt inventor Nils Bohlin born,” The History Channel website, http://www.history.com/this-day-in-history/three-point-seatbelt-inventor-nils-bohlin-born (accessed May 25, 2013).
Three-point seatbelt inventor Nils Bohlin born [Internet]. The History Channel website; 2013 [cited 2013 May 25] Available from: http://www.history.com/this-day-in-history/three-point-seatbelt-inventor-nils-bohlin-born.
Three-point seatbelt inventor Nils Bohlin born, http://www.history.com/this-day-in-history/three-point-seatbelt-inventor-nils-bohlin-born (last visited May 25, 2013).
Three-point seatbelt inventor Nils Bohlin born. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/three-point-seatbelt-inventor-nils-bohlin-born. Accessed May 25, 2013.