Cita APA (7a ed.)

Karoly, L. A., Kilburn, M. R., & Cannon, J. S. (2005). Early childhood interventions: Proven results, future promise. Rand.

Cita Chicago Style (17a ed.)

Karoly, Lynn A., M. Rebecca Kilburn, y Jill S. Cannon. Early Childhood Interventions: Proven Results, Future Promise. Santa Monica, CA: Rand, 2005.

Cita MLA (8a ed.)

Karoly, Lynn A., et al. Early Childhood Interventions: Proven Results, Future Promise. Rand, 2005.