Cita APA (7a ed.)

Oppenheim, L., Jennings, R. Y., & Watts, A. (1992). Oppenheim's international law (9th ed.). Longmans.

Cita Chicago Style (17a ed.)

Oppenheim, L., R. Y. Jennings, y Arthur Watts. Oppenheim's International Law. 9th ed. London: Longmans, 1992.

Cita MLA (9a ed.)

Oppenheim, L., et al. Oppenheim's International Law. 9th ed. Longmans, 1992.