Cita APA (7a ed.)

Druckman, D. (1977). Negotiations: Social-psychological perspectives. Sage.

Cita Chicago Style (17a ed.)

Druckman, Daniel. Negotiations: Social-psychological Perspectives. Beverly Hills [etc.]: Sage, 1977.

Cita MLA (9a ed.)

Druckman, Daniel. Negotiations: Social-psychological Perspectives. Sage, 1977.