APA (7th ed.) Citation

Pettigrew, T. F., & Tropp, L. R. (2011). When groups meet: He dynamics of intergroup contact.

Chicago Style (17th ed.) Citation

Pettigrew, Thomas F., and Linda R. Tropp. When Groups Meet: He Dynamics of Intergroup Contact. New YorkbPsychology Press, 2011.

MLA (9th ed.) Citation

Pettigrew, Thomas F., and Linda R. Tropp. When Groups Meet: He Dynamics of Intergroup Contact. 2011.

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