Sullivan, C. J., & Hirschfield, P. (2011). Problem behavior in the middle school years: An assessment of the social development model. Journal of research in crime and delinquency, 48(4), 566-593.
Chicago Style (17th ed.) CitationSullivan, Christopher J., and Paul Hirschfield. "Problem Behavior in the Middle School Years: An Assessment of the Social Development Model." Journal of Research in Crime and Delinquency 48, no. 4 (2011): 566-593.
MLA (9th ed.) CitationSullivan, Christopher J., and Paul Hirschfield. "Problem Behavior in the Middle School Years: An Assessment of the Social Development Model." Journal of Research in Crime and Delinquency, vol. 48, no. 4, 2011, pp. 566-593.
Warning: These citations may not always be 100% accurate.