Cita APA (7th ed.)

Wellek, R., & Warren, A. (1954). Theory of literature: By René Wellek and Austin Warren. Cape.

Cita Chicago (17th ed.)

Wellek, René, i Austin Warren. Theory of Literature: By René Wellek and Austin Warren. London: Cape, 1954.

Cita MLA (8th ed.)

Wellek, René, i Austin Warren. Theory of Literature: By René Wellek and Austin Warren. Cape, 1954.