Citazione APA

Ringwalt, C., Vincus, A. A., Hanley, S., Ennett, S. T., Bowling, J. M., & Haws, S. (2011). The Prevalence of Evidence-based Drug Use Prevention Curricula in U.S. Middle Schools in 2008.

Stile di citazione Chicago

Ringwalt, Chris, Amy A. Vincus, Sean Hanley, Susan T. Ennett, J. Michael Bowling, e Susan Haws. The Prevalence of Evidence-based Drug Use Prevention Curricula in U.S. Middle Schools in 2008. 2011.

Citazione MLA

Ringwalt, Chris, et al. The Prevalence of Evidence-based Drug Use Prevention Curricula in U.S. Middle Schools in 2008. 2011.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.