Andropov writes to U.S. student. (2013). The History Channel website. Retrieved 10:45, May 22, 2013, from http://www.history.com/this-day-in-history/andropov-writes-to-us-student.
Andropov writes to U.S. student. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/andropov-writes-to-us-student [Accessed 22 May 2013].
“Andropov writes to U.S. student.” 2013. The History Channel website. May 22 2013, 10:45 http://www.history.com/this-day-in-history/andropov-writes-to-us-student.
“Andropov writes to U.S. student,” The History Channel website, 2013, http://www.history.com/this-day-in-history/andropov-writes-to-us-student [accessed May 22, 2013].
“Andropov writes to U.S. student,” The History Channel website, http://www.history.com/this-day-in-history/andropov-writes-to-us-student (accessed May 22, 2013).
Andropov writes to U.S. student [Internet]. The History Channel website; 2013 [cited 2013 May 22] Available from: http://www.history.com/this-day-in-history/andropov-writes-to-us-student.
Andropov writes to U.S. student, http://www.history.com/this-day-in-history/andropov-writes-to-us-student (last visited May 22, 2013).
Andropov writes to U.S. student. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/andropov-writes-to-us-student. Accessed May 22, 2013.