Cita APA (7a ed.)

Fisher, R., Ury, W., & Patton, B. M. (1991). Getting to yes: Negotiating agreement without giving in (2nd ed.). Penguin.

Cita Chicago Style (17a ed.)

Fisher, Roger, William Ury, y Bruce M. Patton. Getting to Yes: Negotiating Agreement Without Giving in. 2nd ed. New York: Penguin, 1991.

Cita MLA (9a ed.)

Fisher, Roger, et al. Getting to Yes: Negotiating Agreement Without Giving in. 2nd ed. Penguin, 1991.