APA (7th ed.) Citation

Piaget, J., Elkind, D., & Flavell, J. H. (1969). Studies in cognitive development: Essays in honor of Jean Piaget. Oxford University Press.

Chicago Style (17th ed.) Citation

Piaget, Jean, David Elkind, and John H. Flavell. Studies in Cognitive Development: Essays in Honor of Jean Piaget. New York: Oxford University Press, 1969.

MLA (9th ed.) Citation

Piaget, Jean, et al. Studies in Cognitive Development: Essays in Honor of Jean Piaget. Oxford University Press, 1969.