APA (7th ed.) Citation

Turner, R., Hewstone, M., Voci, A., Paolini, S., & Christ, O. (2007). Reducing prejudice via direct and extended cross-group friendship.

Chicago Style (17th ed.) Citation

Turner, R., M. Hewstone, A. Voci, S. Paolini, and O. Christ. Reducing Prejudice via Direct and Extended Cross-group Friendship. 2007.

MLA (9th ed.) Citation

Turner, R., et al. Reducing Prejudice via Direct and Extended Cross-group Friendship. 2007.