APA (7th ed.) Zitazioa

BRYCE, J. V. (1968). The Holy Roman Empire. Macmillan.

Chicago Style (17th ed.) Zitazioa

BRYCE, James Viscount. The Holy Roman Empire. London: Macmillan, 1968.

MLA (9th ed.) Zitazioa

BRYCE, James Viscount. The Holy Roman Empire. Macmillan, 1968.