APA-referens (7:e uppl.)

McKenna, C. H. (1930). Francis de Vitoria, founder of international law (2d ed.). Catholic association for international peace.

Chicago-referens (17:e uppl.)

McKenna, Charles Hugh. Francis De Vitoria, Founder of International Law. 2d ed. Washington, D.C.: Catholic association for international peace, 1930.

MLA-referens (8:e uppl.)

McKenna, Charles Hugh. Francis De Vitoria, Founder of International Law. 2d ed. Catholic association for international peace, 1930.