Hotline established between Washington and Moscow. (2013). The History Channel website. Retrieved 9:44, May 23, 2013, from http://www.history.com/this-day-in-history/hotline-established-between-washington-and-moscow.
Hotline established between Washington and Moscow. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/hotline-established-between-washington-and-moscow [Accessed 23 May 2013].
“Hotline established between Washington and Moscow.” 2013. The History Channel website. May 23 2013, 9:44 http://www.history.com/this-day-in-history/hotline-established-between-washington-and-moscow.
“Hotline established between Washington and Moscow,” The History Channel website, 2013, http://www.history.com/this-day-in-history/hotline-established-between-washington-and-moscow [accessed May 23, 2013].
“Hotline established between Washington and Moscow,” The History Channel website, http://www.history.com/this-day-in-history/hotline-established-between-washington-and-moscow (accessed May 23, 2013).
Hotline established between Washington and Moscow [Internet]. The History Channel website; 2013 [cited 2013 May 23] Available from: http://www.history.com/this-day-in-history/hotline-established-between-washington-and-moscow.
Hotline established between Washington and Moscow, http://www.history.com/this-day-in-history/hotline-established-between-washington-and-moscow (last visited May 23, 2013).
Hotline established between Washington and Moscow. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/hotline-established-between-washington-and-moscow. Accessed May 23, 2013.