Cita APA (7a ed.)

Mussen, P. H., & Eisenberg, N. (1977). Roots of caring, sharing, and helping: The development of prosocial behavior in children. Freeman.

Cita Chicago Style (17a ed.)

Mussen, Paul Henry, y Nancy Eisenberg. Roots of Caring, Sharing, and Helping: The Development of Prosocial Behavior in Children. San Francisco: Freeman, 1977.

Cita MLA (9a ed.)

Mussen, Paul Henry, y Nancy Eisenberg. Roots of Caring, Sharing, and Helping: The Development of Prosocial Behavior in Children. Freeman, 1977.