APA (7th ed.) Citation

Small, M. Y., & Kagan, J. (1990). Cognitive development. Harcourt Brace Jovanovich.

Chicago Style (17th ed.) Citation

Small, Melinda Y., and Jerome Kagan. Cognitive Development. San Diego: Harcourt Brace Jovanovich, 1990.

MLA (9th ed.) Citation

Small, Melinda Y., and Jerome Kagan. Cognitive Development. Harcourt Brace Jovanovich, 1990.