APA (7th ed.) Citation
Piaget, J. (1959). The language and thought of the child. (3rd rev. ed.). Routledge.
Chicago Style (17th ed.) Citation
Piaget, Jean. The Language and Thought of the Child. 3rd rev. ed. New York: Routledge, 1959.
MLA (9th ed.) Citation
Piaget, Jean. The Language and Thought of the Child. 3rd rev. ed. Routledge, 1959.
Warning: These citations may not always be 100% accurate.