Khrushchev and Eisenhower trade threats over Cuba. (2013). The History Channel website. Retrieved 11:42, May 25, 2013, from http://www.history.com/this-day-in-history/khrushchev-and-eisenhower-trade-threats-over-cuba.
Khrushchev and Eisenhower trade threats over Cuba. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/khrushchev-and-eisenhower-trade-threats-over-cuba [Accessed 25 May 2013].
“Khrushchev and Eisenhower trade threats over Cuba.” 2013. The History Channel website. May 25 2013, 11:42 http://www.history.com/this-day-in-history/khrushchev-and-eisenhower-trade-threats-over-cuba.
“Khrushchev and Eisenhower trade threats over Cuba,” The History Channel website, 2013, http://www.history.com/this-day-in-history/khrushchev-and-eisenhower-trade-threats-over-cuba [accessed May 25, 2013].
“Khrushchev and Eisenhower trade threats over Cuba,” The History Channel website, http://www.history.com/this-day-in-history/khrushchev-and-eisenhower-trade-threats-over-cuba (accessed May 25, 2013).
Khrushchev and Eisenhower trade threats over Cuba [Internet]. The History Channel website; 2013 [cited 2013 May 25] Available from: http://www.history.com/this-day-in-history/khrushchev-and-eisenhower-trade-threats-over-cuba.
Khrushchev and Eisenhower trade threats over Cuba, http://www.history.com/this-day-in-history/khrushchev-and-eisenhower-trade-threats-over-cuba (last visited May 25, 2013).
Khrushchev and Eisenhower trade threats over Cuba. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/khrushchev-and-eisenhower-trade-threats-over-cuba. Accessed May 25, 2013.