Cita APA (7a ed.)

Zartman, W., & Berman, M. The Practical negotiator. New Haven and London.

Cita Chicago Style (17a ed.)

Zartman, William, y Maureen Berman. The Practical Negotiator. Massachussetts: New Haven and London.

Cita MLA (9a ed.)

Zartman, William, y Maureen Berman. The Practical Negotiator. New Haven and London.