APA (7th ed.) Citation

Silbereisen, R. K., Pauen, S., Boehnke, K., & Eisenberg, N. (1991). Developmental patterns and correlates of prosocial motives in adolescence. Altruism in social systems.

Chicago Style (17th ed.) Citation

Silbereisen, Rainer K., Sabina Pauen, Klaus Boehnke, and Nancy Eisenberg. "Developmental Patterns and Correlates of Prosocial Motives in Adolescence." Altruism in Social Systems 1991.

MLA (9th ed.) Citation

Silbereisen, Rainer K., et al. "Developmental Patterns and Correlates of Prosocial Motives in Adolescence." Altruism in Social Systems, 1991.