APA (7th ed.) Citation

Penner, . L. A. e. a. Prosocial behavior: Multilevel perspectives. [article].

Chicago Style (17th ed.) Citation

Penner, Louis A. et. al. Prosocial Behavior: Multilevel Perspectives. [article]. v.56 p365-92 2005.

MLA (9th ed.) Citation

Penner, Louis A. et. al. Prosocial Behavior: Multilevel Perspectives. [article].

Warning: These citations may not always be 100% accurate.