APA (7th ed.) Citation

Piaget, J., & Inhelder, B. (1969). The psychology of the child. Routledge & Kegan Paul.

Chicago Style (17th ed.) Citation

Piaget, Jean, and Baerbel Inhelder. The Psychology of the Child. London: Routledge & Kegan Paul, 1969.

MLA (9th ed.) Citation

Piaget, Jean, and Baerbel Inhelder. The Psychology of the Child. Routledge & Kegan Paul, 1969.

Warning: These citations may not always be 100% accurate.