APA (7th ed.) Citation

Wellek, R., & Warren, A. (1966). Theory of literature (3. rev. ed.). Cape.

Chicago Style (17th ed.) Citation

Wellek, René, and Austin Warren. Theory of Literature. 3. rev. ed. London: Cape, 1966.

MLA (9th ed.) Citation

Wellek, René, and Austin Warren. Theory of Literature. 3. rev. ed. Cape, 1966.