APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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