Union general who advocated for black troops is born. (2013). The History Channel website. Retrieved 11:40, May 21, 2013, from http://www.history.com/this-day-in-history/daniel-ullmann-born.
Union general who advocated for black troops is born. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/daniel-ullmann-born [Accessed 21 May 2013].
“Union general who advocated for black troops is born.” 2013. The History Channel website. May 21 2013, 11:40 http://www.history.com/this-day-in-history/daniel-ullmann-born.
“Union general who advocated for black troops is born,” The History Channel website, 2013, http://www.history.com/this-day-in-history/daniel-ullmann-born [accessed May 21, 2013].
“Union general who advocated for black troops is born,” The History Channel website, http://www.history.com/this-day-in-history/daniel-ullmann-born (accessed May 21, 2013).
Union general who advocated for black troops is born [Internet]. The History Channel website; 2013 [cited 2013 May 21] Available from: http://www.history.com/this-day-in-history/daniel-ullmann-born.
Union general who advocated for black troops is born, http://www.history.com/this-day-in-history/daniel-ullmann-born (last visited May 21, 2013).
Union general who advocated for black troops is born. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/daniel-ullmann-born. Accessed May 21, 2013.