APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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