Citação norma APA
Fisher, R., & Ury, C. W. (1981). Getting to yes: Negotiating agreement without giving in (ed.). Penguin Books.
Citação norma Chicago
Fisher, Roger, and C. William Ury. Getting to Yes: Negotiating Agreement Without Giving in. ed. New York: Penguin Books, 1981.
Citação norma MLA
Fisher, Roger, and C. William Ury. Getting to Yes: Negotiating Agreement Without Giving in. ed. Penguin Books, 1981.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.