Davis Cup competition established. (2013). The History Channel website. Retrieved 6:06, May 20, 2013, from http://www.history.com/this-day-in-history/davis-cup-competition-established.
Davis Cup competition established. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/davis-cup-competition-established [Accessed 20 May 2013].
“Davis Cup competition established.” 2013. The History Channel website. May 20 2013, 6:06 http://www.history.com/this-day-in-history/davis-cup-competition-established.
“Davis Cup competition established,” The History Channel website, 2013, http://www.history.com/this-day-in-history/davis-cup-competition-established [accessed May 20, 2013].
“Davis Cup competition established,” The History Channel website, http://www.history.com/this-day-in-history/davis-cup-competition-established (accessed May 20, 2013).
Davis Cup competition established [Internet]. The History Channel website; 2013 [cited 2013 May 20] Available from: http://www.history.com/this-day-in-history/davis-cup-competition-established.
Davis Cup competition established, http://www.history.com/this-day-in-history/davis-cup-competition-established (last visited May 20, 2013).
Davis Cup competition established. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/davis-cup-competition-established. Accessed May 20, 2013.