Hoover Dam begins transmitting electricity to Los Angeles. (2013). The History Channel website. Retrieved 2:26, May 21, 2013, from http://www.history.com/this-day-in-history/hoover-dam-begins-transmitting-electricity-to-los-angeles.
Hoover Dam begins transmitting electricity to Los Angeles. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/hoover-dam-begins-transmitting-electricity-to-los-angeles [Accessed 21 May 2013].
“Hoover Dam begins transmitting electricity to Los Angeles.” 2013. The History Channel website. May 21 2013, 2:26 http://www.history.com/this-day-in-history/hoover-dam-begins-transmitting-electricity-to-los-angeles.
“Hoover Dam begins transmitting electricity to Los Angeles,” The History Channel website, 2013, http://www.history.com/this-day-in-history/hoover-dam-begins-transmitting-electricity-to-los-angeles [accessed May 21, 2013].
“Hoover Dam begins transmitting electricity to Los Angeles,” The History Channel website, http://www.history.com/this-day-in-history/hoover-dam-begins-transmitting-electricity-to-los-angeles (accessed May 21, 2013).
Hoover Dam begins transmitting electricity to Los Angeles [Internet]. The History Channel website; 2013 [cited 2013 May 21] Available from: http://www.history.com/this-day-in-history/hoover-dam-begins-transmitting-electricity-to-los-angeles.
Hoover Dam begins transmitting electricity to Los Angeles, http://www.history.com/this-day-in-history/hoover-dam-begins-transmitting-electricity-to-los-angeles (last visited May 21, 2013).
Hoover Dam begins transmitting electricity to Los Angeles. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/hoover-dam-begins-transmitting-electricity-to-los-angeles. Accessed May 21, 2013.