Golden Gate Bridge opens. (2013). The History Channel website. Retrieved 1:14, May 24, 2013, from http://www.history.com/this-day-in-history/golden-gate-bridge-opens-to-public.
Golden Gate Bridge opens. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/golden-gate-bridge-opens-to-public [Accessed 24 May 2013].
“Golden Gate Bridge opens.” 2013. The History Channel website. May 24 2013, 1:14 http://www.history.com/this-day-in-history/golden-gate-bridge-opens-to-public.
“Golden Gate Bridge opens,” The History Channel website, 2013, http://www.history.com/this-day-in-history/golden-gate-bridge-opens-to-public [accessed May 24, 2013].
“Golden Gate Bridge opens,” The History Channel website, http://www.history.com/this-day-in-history/golden-gate-bridge-opens-to-public (accessed May 24, 2013).
Golden Gate Bridge opens [Internet]. The History Channel website; 2013 [cited 2013 May 24] Available from: http://www.history.com/this-day-in-history/golden-gate-bridge-opens-to-public.
Golden Gate Bridge opens, http://www.history.com/this-day-in-history/golden-gate-bridge-opens-to-public (last visited May 24, 2013).
Golden Gate Bridge opens. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/golden-gate-bridge-opens-to-public. Accessed May 24, 2013.