Cita APA (7a ed.)

Oppenheim, L., & Lauterpacht, H. (1955). International law: A treatise. Longmans, Green.

Cita Chicago Style (17a ed.)

Oppenheim, L., y Hersch Lauterpacht. International Law: A Treatise. London [etc.]: Longmans, Green, 1955.

Cita MLA (9a ed.)

Oppenheim, L., y Hersch Lauterpacht. International Law: A Treatise. Longmans, Green, 1955.