Cita APA (7a ed.)

Brooks, C., & Warren, R. P. (1976). Understanding poetry (4th ed.). Holt.

Cita Chicago Style (17a ed.)

Brooks, Cleanth, y Robert Penn Warren. Understanding Poetry. 4th ed. New York: Holt, 1976.

Cita MLA (9a ed.)

Brooks, Cleanth, y Robert Penn Warren. Understanding Poetry. 4th ed. Holt, 1976.