Reagan-Gorbachev summit in Moscow ends. (2013). The History Channel website. Retrieved 6:49, May 25, 2013, from http://www.history.com/this-day-in-history/reagan-gorbachev-summit-in-moscow-ends.
Reagan-Gorbachev summit in Moscow ends. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/reagan-gorbachev-summit-in-moscow-ends [Accessed 25 May 2013].
“Reagan-Gorbachev summit in Moscow ends.” 2013. The History Channel website. May 25 2013, 6:49 http://www.history.com/this-day-in-history/reagan-gorbachev-summit-in-moscow-ends.
“Reagan-Gorbachev summit in Moscow ends,” The History Channel website, 2013, http://www.history.com/this-day-in-history/reagan-gorbachev-summit-in-moscow-ends [accessed May 25, 2013].
“Reagan-Gorbachev summit in Moscow ends,” The History Channel website, http://www.history.com/this-day-in-history/reagan-gorbachev-summit-in-moscow-ends (accessed May 25, 2013).
Reagan-Gorbachev summit in Moscow ends [Internet]. The History Channel website; 2013 [cited 2013 May 25] Available from: http://www.history.com/this-day-in-history/reagan-gorbachev-summit-in-moscow-ends.
Reagan-Gorbachev summit in Moscow ends, http://www.history.com/this-day-in-history/reagan-gorbachev-summit-in-moscow-ends (last visited May 25, 2013).
Reagan-Gorbachev summit in Moscow ends. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/reagan-gorbachev-summit-in-moscow-ends. Accessed May 25, 2013.