Kennedy announces blockade of Cuba during the Missile Crisis. (2013). The History Channel website. Retrieved 6:45, June 20, 2013, from http://www.history.com/this-day-in-history/kennedy-announces-blockade-of-cuba-during-the-missile-crisis.
Kennedy announces blockade of Cuba during the Missile Crisis. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/kennedy-announces-blockade-of-cuba-during-the-missile-crisis [Accessed 20 Jun 2013].
“Kennedy announces blockade of Cuba during the Missile Crisis.” 2013. The History Channel website. Jun 20 2013, 6:45 http://www.history.com/this-day-in-history/kennedy-announces-blockade-of-cuba-during-the-missile-crisis.
“Kennedy announces blockade of Cuba during the Missile Crisis,” The History Channel website, 2013, http://www.history.com/this-day-in-history/kennedy-announces-blockade-of-cuba-during-the-missile-crisis [accessed Jun 20, 2013].
“Kennedy announces blockade of Cuba during the Missile Crisis,” The History Channel website, http://www.history.com/this-day-in-history/kennedy-announces-blockade-of-cuba-during-the-missile-crisis (accessed Jun 20, 2013).
Kennedy announces blockade of Cuba during the Missile Crisis [Internet]. The History Channel website; 2013 [cited 2013 Jun 20] Available from: http://www.history.com/this-day-in-history/kennedy-announces-blockade-of-cuba-during-the-missile-crisis.
Kennedy announces blockade of Cuba during the Missile Crisis, http://www.history.com/this-day-in-history/kennedy-announces-blockade-of-cuba-during-the-missile-crisis (last visited Jun 20, 2013).
Kennedy announces blockade of Cuba during the Missile Crisis. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/kennedy-announces-blockade-of-cuba-during-the-missile-crisis. Accessed Jun 20, 2013.