Cita APA (7a ed.)
Fisher, R., & Ury,William. (1991). Getting to yes: Negotiating agreement without giving in (2nd ed.). Penguin Books.
Cita Chicago Style (17a ed.)
Fisher, Roger, y Ury,William. Getting to Yes: Negotiating Agreement Without Giving in. 2nd ed. New York: Penguin Books, 1991.
Cita MLA (9a ed.)
Fisher, Roger, y Ury,William. Getting to Yes: Negotiating Agreement Without Giving in. 2nd ed. Penguin Books, 1991.
Precaución: Estas citas no son 100% exactas.