Ernesto Cardenal is a revolutionary Nicaraguan poet and Roman Catholic priest who is considered the second most important Nicaraguan poet, after Rubén Darío.
Ernesto Cardenal. (2013). The Biography Channel website. Retrieved 11:47, May 19, 2013, from http://www.biography.com/people/ernesto-cardenal-37568.
Ernesto Cardenal. [Internet]. 2013. The Biography Channel website. Available from: http://www.biography.com/people/ernesto-cardenal-37568 [Accessed 19 May 2013].
"Ernesto Cardenal." 2013. The Biography Channel website. May 19 2013, 11:47 http://www.biography.com/people/ernesto-cardenal-37568.
"Ernesto Cardenal," The Biography Channel website, 2013, http://www.biography.com/people/ernesto-cardenal-37568 [accessed May 19, 2013].
"Ernesto Cardenal," The Biography Channel website, http://www.biography.com/people/ernesto-cardenal-37568 (accessed May 19, 2013).
Ernesto Cardenal [Internet]. The Biography Channel website; 2013 [cited 2013 May 19] Available from: http://www.biography.com/people/ernesto-cardenal-37568.
Ernesto Cardenal, http://www.biography.com/people/ernesto-cardenal-37568 (last visited May 19, 2013).
Ernesto Cardenal. The Biography Channel website. 2013. Available at: http://www.biography.com/people/ernesto-cardenal-37568. Accessed May 19, 2013.