Lee Trevino wins his first U.S. Open. (2013). The History Channel website. Retrieved 6:46, May 21, 2013, from http://www.history.com/this-day-in-history/lee-trevino-wins-his-first-us-open.
Lee Trevino wins his first U.S. Open. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/lee-trevino-wins-his-first-us-open [Accessed 21 May 2013].
“Lee Trevino wins his first U.S. Open.” 2013. The History Channel website. May 21 2013, 6:46 http://www.history.com/this-day-in-history/lee-trevino-wins-his-first-us-open.
“Lee Trevino wins his first U.S. Open,” The History Channel website, 2013, http://www.history.com/this-day-in-history/lee-trevino-wins-his-first-us-open [accessed May 21, 2013].
“Lee Trevino wins his first U.S. Open,” The History Channel website, http://www.history.com/this-day-in-history/lee-trevino-wins-his-first-us-open (accessed May 21, 2013).
Lee Trevino wins his first U.S. Open [Internet]. The History Channel website; 2013 [cited 2013 May 21] Available from: http://www.history.com/this-day-in-history/lee-trevino-wins-his-first-us-open.
Lee Trevino wins his first U.S. Open, http://www.history.com/this-day-in-history/lee-trevino-wins-his-first-us-open (last visited May 21, 2013).
Lee Trevino wins his first U.S. Open. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/lee-trevino-wins-his-first-us-open. Accessed May 21, 2013.