Morse demonstrates telegraph. (2013). The History Channel website. Retrieved 3:10, June 18, 2013, from http://www.history.com/this-day-in-history/morse-demonstrates-telegraph.
Morse demonstrates telegraph. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/morse-demonstrates-telegraph [Accessed 18 Jun 2013].
“Morse demonstrates telegraph.” 2013. The History Channel website. Jun 18 2013, 3:10 http://www.history.com/this-day-in-history/morse-demonstrates-telegraph.
“Morse demonstrates telegraph,” The History Channel website, 2013, http://www.history.com/this-day-in-history/morse-demonstrates-telegraph [accessed Jun 18, 2013].
“Morse demonstrates telegraph,” The History Channel website, http://www.history.com/this-day-in-history/morse-demonstrates-telegraph (accessed Jun 18, 2013).
Morse demonstrates telegraph [Internet]. The History Channel website; 2013 [cited 2013 Jun 18] Available from: http://www.history.com/this-day-in-history/morse-demonstrates-telegraph.
Morse demonstrates telegraph, http://www.history.com/this-day-in-history/morse-demonstrates-telegraph (last visited Jun 18, 2013).
Morse demonstrates telegraph. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/morse-demonstrates-telegraph. Accessed Jun 18, 2013.