APA (7th ed.) Zitazioa

Potter, S. (1968). Language in the modern world. Penguin.

Chicago Style (17th ed.) Zitazioa

Potter, Simeon. Language in the Modern World. Harmondsworth: Penguin, 1968.

MLA (9th ed.) Zitazioa

Potter, Simeon. Language in the Modern World. Penguin, 1968.