APA (7th ed.) Citation

Piaget, J. (1959). The language and thought of the child (3rd ed.). Humanities Press.

Chicago Style (17th ed.) Citation

Piaget, Jean. The Language and Thought of the Child. 3rd ed. London: Humanities Press, 1959.

MLA (9th ed.) Citation

Piaget, Jean. The Language and Thought of the Child. 3rd ed. Humanities Press, 1959.

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