APA (7th ed.) Citation

Piaget, J. (1960). The child's conception of geometry. Basic Books.

Chicago Style (17th ed.) Citation

Piaget, Jean. The Child's Conception of Geometry. [Place of publication not identified]: Basic Books, 1960.

MLA (8th ed.) Citation

Piaget, Jean. The Child's Conception of Geometry. Basic Books, 1960.