Cita APA (7th ed.)

Warren, R. P., & Erskine, A. (1955). Six centuries of great poetry. Dell Publishing.

Cita Chicago (17th ed.)

Warren, Robert Penn, i Albert Erskine. Six Centuries of Great Poetry. Nueva York: Dell Publishing, 1955.

Cita MLA (9th ed.)

Warren, Robert Penn, i Albert Erskine. Six Centuries of Great Poetry. Dell Publishing, 1955.