Treaty of Guadalupe Hidalgo is signed. (2013). The History Channel website. Retrieved 2:36, May 22, 2013, from http://www.history.com/this-day-in-history/treaty-of-guadalupe-hidalgo-is-signed.
Treaty of Guadalupe Hidalgo is signed. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/treaty-of-guadalupe-hidalgo-is-signed [Accessed 22 May 2013].
“Treaty of Guadalupe Hidalgo is signed.” 2013. The History Channel website. May 22 2013, 2:36 http://www.history.com/this-day-in-history/treaty-of-guadalupe-hidalgo-is-signed.
“Treaty of Guadalupe Hidalgo is signed,” The History Channel website, 2013, http://www.history.com/this-day-in-history/treaty-of-guadalupe-hidalgo-is-signed [accessed May 22, 2013].
“Treaty of Guadalupe Hidalgo is signed,” The History Channel website, http://www.history.com/this-day-in-history/treaty-of-guadalupe-hidalgo-is-signed (accessed May 22, 2013).
Treaty of Guadalupe Hidalgo is signed [Internet]. The History Channel website; 2013 [cited 2013 May 22] Available from: http://www.history.com/this-day-in-history/treaty-of-guadalupe-hidalgo-is-signed.
Treaty of Guadalupe Hidalgo is signed, http://www.history.com/this-day-in-history/treaty-of-guadalupe-hidalgo-is-signed (last visited May 22, 2013).
Treaty of Guadalupe Hidalgo is signed. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/treaty-of-guadalupe-hidalgo-is-signed. Accessed May 22, 2013.