Cita APA (7a ed.)

Wellek, R., & Warren, A. 1. Theory of literature. Harcourt, Brace.

Cita Chicago Style (17a ed.)

Wellek, René, y Austin 1899 Warren. Theory of Literature. New York: Harcourt, Brace.

Cita MLA (9a ed.)

Wellek, René, y Austin 1899 Warren. Theory of Literature. Harcourt, Brace.