APA (7th ed.) Zitazioa

(1959). American Critical essays: Twentieth century. O. U. Pr..

Chicago Style (17th ed.) Zitazioa

American Critical Essays: Twentieth Century. London: O. U. Pr., 1959.

MLA (9th ed.) Zitazioa

American Critical Essays: Twentieth Century. O. U. Pr., 1959.