APA (7th ed.) Zitazioa

(1966). Essays: 2nd ed (2nd ed.). Wadsworth.

Chicago Style (17th ed.) Zitazioa

Essays: 2nd Ed. 2nd ed. Belmont, Calif.: Wadsworth, 1966.

MLA (9th ed.) Zitazioa

Essays: 2nd Ed. 2nd ed. Wadsworth, 1966.