Citazione Stile APA (7a Edizione)

Warren, R. P. (1966). Selected poems: New and old, 1923-1966. Random House.

Citazione stile Chigago Style (17a edizione)

Warren, Robert Penn. Selected Poems: New and Old, 1923-1966. New York: Random House, 1966.

Citatione MLA (9a ed.)

Warren, Robert Penn. Selected Poems: New and Old, 1923-1966. Random House, 1966.