APA (7th ed.) Citation

Eisenberg, N., & Eisenberg, N. (1987). Prosocial development in middle childhood: A longitudinal study. Developmental psychology, 23(5), 712-718.

Chicago Style (17th ed.) Citation

Eisenberg, Nancy, and Nancy Eisenberg. "Prosocial Development in Middle Childhood: A Longitudinal Study." Developmental Psychology 23, no. 5 (1987): 712-718.

MLA (8th ed.) Citation

Eisenberg, Nancy, and Nancy Eisenberg. "Prosocial Development in Middle Childhood: A Longitudinal Study." Developmental Psychology, vol. 23, no. 5, 1987, pp. 712-718.