Marconi sends first Atlantic wireless transmission. (2013). The History Channel website. Retrieved 9:42, May 22, 2013, from http://www.history.com/this-day-in-history/marconi-sends-first-atlantic-wireless-transmission.
Marconi sends first Atlantic wireless transmission. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/marconi-sends-first-atlantic-wireless-transmission [Accessed 22 May 2013].
“Marconi sends first Atlantic wireless transmission.” 2013. The History Channel website. May 22 2013, 9:42 http://www.history.com/this-day-in-history/marconi-sends-first-atlantic-wireless-transmission.
“Marconi sends first Atlantic wireless transmission,” The History Channel website, 2013, http://www.history.com/this-day-in-history/marconi-sends-first-atlantic-wireless-transmission [accessed May 22, 2013].
“Marconi sends first Atlantic wireless transmission,” The History Channel website, http://www.history.com/this-day-in-history/marconi-sends-first-atlantic-wireless-transmission (accessed May 22, 2013).
Marconi sends first Atlantic wireless transmission [Internet]. The History Channel website; 2013 [cited 2013 May 22] Available from: http://www.history.com/this-day-in-history/marconi-sends-first-atlantic-wireless-transmission.
Marconi sends first Atlantic wireless transmission, http://www.history.com/this-day-in-history/marconi-sends-first-atlantic-wireless-transmission (last visited May 22, 2013).
Marconi sends first Atlantic wireless transmission. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/marconi-sends-first-atlantic-wireless-transmission. Accessed May 22, 2013.