APA Edition Citation

Piaget, J. A., & Inhelder, B. (1969). Psychology of the child tr by Helen weaver.

Chicago Edition Citation

Piaget, Jean And, and Barbel Inhelder. Psychology of the Child Tr by Helen Weaver. 1969.

MLA Edition Citation

Piaget, Jean And, and Barbel Inhelder. Psychology of the Child Tr by Helen Weaver. 1969.

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