Birth of the U.S. Marine Corps. (2013). The History Channel website. Retrieved 8:49, May 19, 2013, from http://www.history.com/this-day-in-history/birth-of-the-us-marine-corps.
Birth of the U.S. Marine Corps. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/birth-of-the-us-marine-corps [Accessed 19 May 2013].
“Birth of the U.S. Marine Corps.” 2013. The History Channel website. May 19 2013, 8:49 http://www.history.com/this-day-in-history/birth-of-the-us-marine-corps.
“Birth of the U.S. Marine Corps,” The History Channel website, 2013, http://www.history.com/this-day-in-history/birth-of-the-us-marine-corps [accessed May 19, 2013].
“Birth of the U.S. Marine Corps,” The History Channel website, http://www.history.com/this-day-in-history/birth-of-the-us-marine-corps (accessed May 19, 2013).
Birth of the U.S. Marine Corps [Internet]. The History Channel website; 2013 [cited 2013 May 19] Available from: http://www.history.com/this-day-in-history/birth-of-the-us-marine-corps.
Birth of the U.S. Marine Corps, http://www.history.com/this-day-in-history/birth-of-the-us-marine-corps (last visited May 19, 2013).
Birth of the U.S. Marine Corps. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/birth-of-the-us-marine-corps. Accessed May 19, 2013.