Cita APA (7a ed.)

Ury, W. (1993). Getting past no: Negotiating in difficult situations. Bantam Books.

Cita Chicago Style (17a ed.)

Ury, William. Getting Past No: Negotiating in Difficult Situations. New York: Bantam Books, 1993.

Cita MLA (9a ed.)

Ury, William. Getting Past No: Negotiating in Difficult Situations. Bantam Books, 1993.