Cita APA (7a ed.)

Piaget, J., & Inhelder, B. (1969). The psychology of the child. Basic Books.

Cita Chicago Style (17a ed.)

Piaget, Jean, y Bärbel Inhelder. The Psychology of the Child. New York: Basic Books, 1969.

Cita MLA (9a ed.)

Piaget, Jean, y Bärbel Inhelder. The Psychology of the Child. Basic Books, 1969.