Kennedy and Khrushchev exchange holiday greetings. (2013). The History Channel website. Retrieved 1:35, June 20, 2013, from http://www.history.com/this-day-in-history/kennedy-and-khrushchev-exchange-holiday-greetings.
Kennedy and Khrushchev exchange holiday greetings. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/kennedy-and-khrushchev-exchange-holiday-greetings [Accessed 20 Jun 2013].
“Kennedy and Khrushchev exchange holiday greetings.” 2013. The History Channel website. Jun 20 2013, 1:35 http://www.history.com/this-day-in-history/kennedy-and-khrushchev-exchange-holiday-greetings.
“Kennedy and Khrushchev exchange holiday greetings,” The History Channel website, 2013, http://www.history.com/this-day-in-history/kennedy-and-khrushchev-exchange-holiday-greetings [accessed Jun 20, 2013].
“Kennedy and Khrushchev exchange holiday greetings,” The History Channel website, http://www.history.com/this-day-in-history/kennedy-and-khrushchev-exchange-holiday-greetings (accessed Jun 20, 2013).
Kennedy and Khrushchev exchange holiday greetings [Internet]. The History Channel website; 2013 [cited 2013 Jun 20] Available from: http://www.history.com/this-day-in-history/kennedy-and-khrushchev-exchange-holiday-greetings.
Kennedy and Khrushchev exchange holiday greetings, http://www.history.com/this-day-in-history/kennedy-and-khrushchev-exchange-holiday-greetings (last visited Jun 20, 2013).
Kennedy and Khrushchev exchange holiday greetings. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/kennedy-and-khrushchev-exchange-holiday-greetings. Accessed Jun 20, 2013.