APA

De Onis J., . (1992). The green cathedral. New York: Oxford University Press.

Chicago

De Onis Juan, . 1992. The green cathedral. New York: Oxford University Press.

Harvard

De Onis J., . (1992). The green cathedral. New York: Oxford University Press.

MLA

De Onis Juan, . The green cathedral. New York: Oxford University Press. 1992.