Citazione Stile APA (7a Edizione)

Piaget, J., & Inhelder, B. (1967). The child's conception of space. W. W. Norton.

Citazione stile Chigago Style (17a edizione)

Piaget, Jean, e Barbel Inhelder. The Child's Conception of Space. New York: W. W. Norton, 1967.

Citatione MLA (9a ed.)

Piaget, Jean, e Barbel Inhelder. The Child's Conception of Space. W. W. Norton, 1967.