Cita APA (7a ed.)

Schachter, O. (1991). International law in theory and practice. Nijhoff.

Cita Chicago Style (17a ed.)

Schachter, Oscar. International Law in Theory and Practice. Dordrecht [etc.]: Nijhoff, 1991.

Cita MLA (9a ed.)

Schachter, Oscar. International Law in Theory and Practice. Nijhoff, 1991.