Cita APA (7a ed.)

Blum, Y. Z., & Johnson, D. H. N. (1965). Historic titles in international law. Martinus Nijhoff.

Cita Chicago Style (17a ed.)

Blum, Yehuda Zvi, y D. H. N. Johnson. Historic Titles in International Law. The Hague: Martinus Nijhoff, 1965.

Cita MLA (9a ed.)

Blum, Yehuda Zvi, y D. H. N. Johnson. Historic Titles in International Law. Martinus Nijhoff, 1965.