Cita APA (7th ed.)

Wellek, R., & Warren, A. (1949). Theory of literature. Harcourt, Brace and World.

Cita Chicago (17th ed.)

Wellek, Rene, i Austin Warren. Theory of Literature. New York: Harcourt, Brace and World, 1949.

Cita MLA (9th ed.)

Wellek, Rene, i Austin Warren. Theory of Literature. Harcourt, Brace and World, 1949.