Cita APA (7th ed.)

Morrison, T. (1973). Sula (1a. ed.). New American Library.

Cita Chicago (17th ed.)

Morrison, Toni. Sula. 1a. ed. Nueva York: New American Library, 1973.

Cita MLA (9th ed.)

Morrison, Toni. Sula. 1a. ed. New American Library, 1973.