APA (7th ed.) Citation

Piaget, J. (1969). The language and thought of the child. World Pub., Co.

Chicago Style (17th ed.) Citation

Piaget, Jean. The Language and Thought of the Child. Cleveland, Ohio: World Pub., Co, 1969.

MLA (9th ed.) Citation

Piaget, Jean. The Language and Thought of the Child. World Pub., Co, 1969.

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