Cita APA (7a ed.)

Willman, P., Bryson, A., & Gómez, R. (2003). Why do voice regimes differ? Centre for Economic Performance.

Cita Chicago Style (17a ed.)

Willman, Paul, Alex Bryson, y Rafael Gómez. Why Do Voice Regimes Differ? London: Centre for Economic Performance, 2003.

Cita MLA (9a ed.)

Willman, Paul, et al. Why Do Voice Regimes Differ? Centre for Economic Performance, 2003.