Cita APA (7a ed.)

Hamburg, B. A. (1990). Life skills training: Preventive interventions for young adolescents. Carnegie Council on Adolescent Development.

Cita Chicago Style (17a ed.)

Hamburg, Beatrix A. Life Skills Training: Preventive Interventions for Young Adolescents. Washington, DC: Carnegie Council on Adolescent Development, 1990.

Cita MLA (8a ed.)

Hamburg, Beatrix A. Life Skills Training: Preventive Interventions for Young Adolescents. Carnegie Council on Adolescent Development, 1990.