Cita APA (7a ed.)

Reuter, P., Mico, J., & Haggenmacher, P. (1989). Introduction to the law of treaties. Pinter.

Cita Chicago Style (17a ed.)

Reuter, Paul, José Mico, y Peter Haggenmacher. Introduction to the Law of Treaties. London [etc.]: Pinter, 1989.

Cita MLA (9a ed.)

Reuter, Paul, et al. Introduction to the Law of Treaties. Pinter, 1989.