Louis Armstrong cancels trip to Russia. (2013). The History Channel website. Retrieved 4:51, May 20, 2013, from http://www.history.com/this-day-in-history/louis-armstrong-cancels-trip-to-russia.
Louis Armstrong cancels trip to Russia. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/louis-armstrong-cancels-trip-to-russia [Accessed 20 May 2013].
“Louis Armstrong cancels trip to Russia.” 2013. The History Channel website. May 20 2013, 4:51 http://www.history.com/this-day-in-history/louis-armstrong-cancels-trip-to-russia.
“Louis Armstrong cancels trip to Russia,” The History Channel website, 2013, http://www.history.com/this-day-in-history/louis-armstrong-cancels-trip-to-russia [accessed May 20, 2013].
“Louis Armstrong cancels trip to Russia,” The History Channel website, http://www.history.com/this-day-in-history/louis-armstrong-cancels-trip-to-russia (accessed May 20, 2013).
Louis Armstrong cancels trip to Russia [Internet]. The History Channel website; 2013 [cited 2013 May 20] Available from: http://www.history.com/this-day-in-history/louis-armstrong-cancels-trip-to-russia.
Louis Armstrong cancels trip to Russia, http://www.history.com/this-day-in-history/louis-armstrong-cancels-trip-to-russia (last visited May 20, 2013).
Louis Armstrong cancels trip to Russia. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/louis-armstrong-cancels-trip-to-russia. Accessed May 20, 2013.