APA (7th ed.) Citation

Numelin, R. (1950). The beginnings of diplomacy: A sociological study of intertribal and international relations. Oxford University Press [u.a.].

Chicago Style (17th ed.) Citation

Numelin, Ragnar. The Beginnings of Diplomacy: A Sociological Study of Intertribal and International Relations. London [u.a.]: Oxford University Press [u.a.], 1950.

MLA (9th ed.) Citation

Numelin, Ragnar. The Beginnings of Diplomacy: A Sociological Study of Intertribal and International Relations. Oxford University Press [u.a.], 1950.