Cita APA (7a ed.)

Blokker, N., Muller, S., & Schermers, H. G. (1994). Towards more effective supervision by international organizations. Martinus Nijhoff.

Cita Chicago Style (17a ed.)

Blokker, Niels, Sam Muller, y Henry G. Schermers. Towards More Effective Supervision by International Organizations. Dordrecht [etc.]: Martinus Nijhoff, 1994.

Cita MLA (9a ed.)

Blokker, Niels, et al. Towards More Effective Supervision by International Organizations. Martinus Nijhoff, 1994.