Alexander Crummell was an African-American scholar, abolitionist, and Episcopalian minister. He founded the American Negro Academy.
Alexander Crummell. (2013). The Biography Channel website. Retrieved 03:57, May 25, 2013, from http://www.biography.com/people/alexander-crummell-37889.
Alexander Crummell. [Internet]. 2013. The Biography Channel website. Available from: http://www.biography.com/people/alexander-crummell-37889 [Accessed 25 May 2013].
"Alexander Crummell." 2013. The Biography Channel website. May 25 2013, 03:57 http://www.biography.com/people/alexander-crummell-37889.
"Alexander Crummell," The Biography Channel website, 2013, http://www.biography.com/people/alexander-crummell-37889 [accessed May 25, 2013].
"Alexander Crummell," The Biography Channel website, http://www.biography.com/people/alexander-crummell-37889 (accessed May 25, 2013).
Alexander Crummell [Internet]. The Biography Channel website; 2013 [cited 2013 May 25] Available from: http://www.biography.com/people/alexander-crummell-37889.
Alexander Crummell, http://www.biography.com/people/alexander-crummell-37889 (last visited May 25, 2013).
Alexander Crummell. The Biography Channel website. 2013. Available at: http://www.biography.com/people/alexander-crummell-37889. Accessed May 25, 2013.