Pershing attacked by Mexican troops. (2013). The History Channel website. Retrieved 5:36, June 19, 2013, from http://www.history.com/this-day-in-history/pershing-attacked-by-mexican-troops.
Pershing attacked by Mexican troops. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/pershing-attacked-by-mexican-troops [Accessed 19 Jun 2013].
“Pershing attacked by Mexican troops.” 2013. The History Channel website. Jun 19 2013, 5:36 http://www.history.com/this-day-in-history/pershing-attacked-by-mexican-troops.
“Pershing attacked by Mexican troops,” The History Channel website, 2013, http://www.history.com/this-day-in-history/pershing-attacked-by-mexican-troops [accessed Jun 19, 2013].
“Pershing attacked by Mexican troops,” The History Channel website, http://www.history.com/this-day-in-history/pershing-attacked-by-mexican-troops (accessed Jun 19, 2013).
Pershing attacked by Mexican troops [Internet]. The History Channel website; 2013 [cited 2013 Jun 19] Available from: http://www.history.com/this-day-in-history/pershing-attacked-by-mexican-troops.
Pershing attacked by Mexican troops, http://www.history.com/this-day-in-history/pershing-attacked-by-mexican-troops (last visited Jun 19, 2013).
Pershing attacked by Mexican troops. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/pershing-attacked-by-mexican-troops. Accessed Jun 19, 2013.