Cita APA (7a ed.)

Loeber, R., Farrington, D., & Stouthamer-Loeber, M. (2008). The Pittsburgh Youth Study: Its design, data collection, and early key findings. Routledge.

Cita Chicago Style (17a ed.)

Loeber, Rolf, David Farrington, y Magda Stouthamer-Loeber. The Pittsburgh Youth Study: Its Design, Data Collection, and Early Key Findings. Routledge, 2008.

Cita MLA (9a ed.)

Loeber, Rolf, et al. The Pittsburgh Youth Study: Its Design, Data Collection, and Early Key Findings. Routledge, 2008.