Cita APA (7a ed.)

Wellek, R., & Warren, A. (1970). Theory of literature (3rd ed., new rev.). Harcourt, Brace & World.

Cita Chicago Style (17a ed.)

Wellek, Rene, y Austin Warren. Theory of Literature. 3rd ed., new rev. New York: Harcourt, Brace & World, 1970.

Cita MLA (9a ed.)

Wellek, Rene, y Austin Warren. Theory of Literature. 3rd ed., new rev. Harcourt, Brace & World, 1970.