Andropov writes to an American fifth-grader. (2013). The History Channel website. Retrieved 10:18, May 22, 2013, from http://www.history.com/this-day-in-history/andropov-writes-to-an-american-fifth-grader.
Andropov writes to an American fifth-grader. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/andropov-writes-to-an-american-fifth-grader [Accessed 22 May 2013].
“Andropov writes to an American fifth-grader.” 2013. The History Channel website. May 22 2013, 10:18 http://www.history.com/this-day-in-history/andropov-writes-to-an-american-fifth-grader.
“Andropov writes to an American fifth-grader,” The History Channel website, 2013, http://www.history.com/this-day-in-history/andropov-writes-to-an-american-fifth-grader [accessed May 22, 2013].
“Andropov writes to an American fifth-grader,” The History Channel website, http://www.history.com/this-day-in-history/andropov-writes-to-an-american-fifth-grader (accessed May 22, 2013).
Andropov writes to an American fifth-grader [Internet]. The History Channel website; 2013 [cited 2013 May 22] Available from: http://www.history.com/this-day-in-history/andropov-writes-to-an-american-fifth-grader.
Andropov writes to an American fifth-grader, http://www.history.com/this-day-in-history/andropov-writes-to-an-american-fifth-grader (last visited May 22, 2013).
Andropov writes to an American fifth-grader. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/andropov-writes-to-an-american-fifth-grader. Accessed May 22, 2013.