Cita APA (7a ed.)

Tyler, T. R. (2011). Why people cooperate: The role of social motivations. Princeton University Press.

Cita Chicago Style (17a ed.)

Tyler, Tom R. Why People Cooperate: The Role of Social Motivations. Princeton, N.J.: Princeton University Press, 2011.

Cita MLA (8a ed.)

Tyler, Tom R. Why People Cooperate: The Role of Social Motivations. Princeton University Press, 2011.