APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Brooks, Cleanth, and Robert Penn Warren. Understanding Poetry. 4th ed. Holt, Rinehart and Winston, 1976.