Lanthier, R. P., & Campbell, A. (2011). Sibling relationships as opportunities for development and learning in adulthood. In C. W. Hoare (Ed.), The Oxford Handbook of Reciprocal Adult Development and Learning. New York: Oxford University Press.
Lanthier, R., & Mallery, C. (2009). Continuous versus discontinuous development. In The American Counseling Association Encyclopedia of Counseling. Alexandria, VA: ACA Press.
Lanthier, R. P., & Levesque, R. (Eds.), (2007). Perspectives on adolescent development: Evidence from national data [Special issue]. Journal of Youth and Adolescence, 36 (2).