APA-Zitierstil (7. Ausg.)

Guerra, N. G., & Bradshaw, C. P. (2008). Core competencies to prevent problem behaviors and promote positive youth development. Wiley Periodicals.

Chicago-Zitierstil (17. Ausg.)

Guerra, Nancy G., und Catherine P. Bradshaw. Core Competencies to Prevent Problem Behaviors and Promote Positive Youth Development. San Francisco: Wiley Periodicals, 2008.

MLA-Zitierstil (9. Ausg.)

Guerra, Nancy G., und Catherine P. Bradshaw. Core Competencies to Prevent Problem Behaviors and Promote Positive Youth Development. Wiley Periodicals, 2008.