APA (7th ed.) Zitazioa

TOLSTOY, L. (1960). What then must we do? Oxford University Press.

Chicago Style (17th ed.) Zitazioa

TOLSTOY, Leo. What Then Must We Do? London: Oxford University Press, 1960.

MLA (9th ed.) Zitazioa

TOLSTOY, Leo. What Then Must We Do? Oxford University Press, 1960.