Cita APA (7th ed.)
ebrary, Inc, Stürmer, S., & Snyder, M. (2009). The psychology of prosocial behavior: Group processes, intergroup relations, and helping. Wiley-Blackwell.
Cita Chicago (17th ed.)
ebrary, Inc, Stefan Stürmer, i Mark Snyder. The Psychology of Prosocial Behavior: Group Processes, Intergroup Relations, and Helping. Malden, MA: Wiley-Blackwell, 2009.
Cita MLA (9th ed.)
ebrary, Inc, et al. The Psychology of Prosocial Behavior: Group Processes, Intergroup Relations, and Helping. Wiley-Blackwell, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.