Léopold Senghor was a poet, teacher, and statesman, first president of Senegal, and a major proponent of the concept of Negritude.
Léopold Senghor. (2013). The Biography Channel website. Retrieved 09:26, Jun 19, 2013, from http://www.biography.com/people/léopold-senghor-38387.
Léopold Senghor. [Internet]. 2013. The Biography Channel website. Available from: http://www.biography.com/people/léopold-senghor-38387 [Accessed 19 Jun 2013].
"Léopold Senghor." 2013. The Biography Channel website. Jun 19 2013, 09:26 http://www.biography.com/people/léopold-senghor-38387.
"Léopold Senghor," The Biography Channel website, 2013, http://www.biography.com/people/léopold-senghor-38387 [accessed Jun 19, 2013].
"Léopold Senghor," The Biography Channel website, http://www.biography.com/people/léopold-senghor-38387 (accessed Jun 19, 2013).
Léopold Senghor [Internet]. The Biography Channel website; 2013 [cited 2013 Jun 19] Available from: http://www.biography.com/people/léopold-senghor-38387.
Léopold Senghor, http://www.biography.com/people/léopold-senghor-38387 (last visited Jun 19, 2013).
Léopold Senghor. The Biography Channel website. 2013. Available at: http://www.biography.com/people/léopold-senghor-38387. Accessed Jun 19, 2013.