Cita APA (7a ed.)
Portes, P. R., Dunham, R. M., & Williams, S. A. (1986). Preschool intervention, social class, and parent-child interaction differences. Journal of Genetic Psychology, 147, 241-256.
Cita Chicago Style (17a ed.)
Portes, Pedro R., Richard M. Dunham, y Shavon A. Williams. "Preschool Intervention, Social Class, and Parent-child Interaction Differences." Journal of Genetic Psychology 147 (1986): 241-256.
Cita MLA (9a ed.)
Portes, Pedro R., et al. "Preschool Intervention, Social Class, and Parent-child Interaction Differences." Journal of Genetic Psychology, vol. 147, 1986, pp. 241-256.
Precaución: Estas citas no son 100% exactas.