APA (7th ed.) Citation

Graham, R. A. (1959). Vatican diplomacy: A study of church and state on the international plane. Princeton University Press.

Chicago Style (17th ed.) Citation

Graham, Robert A. Vatican Diplomacy: A Study of Church and State on the International Plane. Princeton [etc.]: Princeton University Press, 1959.

MLA (9th ed.) Citation

Graham, Robert A. Vatican Diplomacy: A Study of Church and State on the International Plane. Princeton University Press, 1959.