SALT agreements signed. (2013). The History Channel website. Retrieved 9:57, May 23, 2013, from http://www.history.com/this-day-in-history/salt-agreements-signed.
SALT agreements signed. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/salt-agreements-signed [Accessed 23 May 2013].
“SALT agreements signed.” 2013. The History Channel website. May 23 2013, 9:57 http://www.history.com/this-day-in-history/salt-agreements-signed.
“SALT agreements signed,” The History Channel website, 2013, http://www.history.com/this-day-in-history/salt-agreements-signed [accessed May 23, 2013].
“SALT agreements signed,” The History Channel website, http://www.history.com/this-day-in-history/salt-agreements-signed (accessed May 23, 2013).
SALT agreements signed [Internet]. The History Channel website; 2013 [cited 2013 May 23] Available from: http://www.history.com/this-day-in-history/salt-agreements-signed.
SALT agreements signed, http://www.history.com/this-day-in-history/salt-agreements-signed (last visited May 23, 2013).
SALT agreements signed. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/salt-agreements-signed. Accessed May 23, 2013.