APA引文

Schulz,Ulrich. (1993). Social dilemmas and cooperation. Springer-Verlag.

Chicago Edition Citation

Schulz,Ulrich. Social Dilemmas and Cooperation. London: Springer-Verlag, 1993.

MLA引文

Schulz,Ulrich. Social Dilemmas and Cooperation. Springer-Verlag, 1993.

警告：這些引文格式不一定是100％准確.