Augustyn, M., Henry, K. L., Thornberry, T. P., Philippi, P., & Loughran, T. (2020). How early is too early? Identification of elevated, persistent problem behavior in childhood. Prevention science, 21(4), 445-455. doi:10.1007/s11121-019-01060-y
Cita Chicago Style (17a ed.)Augustyn, Megan, Kimberly L. Henry, Terence P. Thornberry, Pilar Philippi, y Thomas Loughran. "How Early Is Too Early? Identification of Elevated, Persistent Problem Behavior in Childhood." Prevention Science 21, no. 4 (2020): 445-455. https://doi.org/10.1007/s11121-019-01060-y.
Cita MLA (9a ed.)Augustyn, Megan, et al. "How Early Is Too Early? Identification of Elevated, Persistent Problem Behavior in Childhood." Prevention Science, vol. 21, no. 4, 2020, pp. 445-455, https://doi.org/10.1007/s11121-019-01060-y.