Cita APA (7a ed.)

Bagwell, C., & Schmidt, M. E. (2011). Friendships in childhood & adolescence. Guilford Press.

Cita Chicago Style (17a ed.)

Bagwell, Catherine, y Michelle E. Schmidt. Friendships in Childhood & Adolescence. New York: Guilford Press, 2011.

Cita MLA (9a ed.)

Bagwell, Catherine, y Michelle E. Schmidt. Friendships in Childhood & Adolescence. Guilford Press, 2011.