Cita APA (7a ed.)

PIAGET, J., INHELDER, B., & WEAVER, h. (1977). The Psychology of the Child. Routledge & kegan.

Cita Chicago Style (17a ed.)

PIAGET, Jean, Bärbel INHELDER, y hELEN WEAVER. The Psychology of the Child. London: Routledge & kegan, 1977.

Cita MLA (9a ed.)

PIAGET, Jean, et al. The Psychology of the Child. Routledge & kegan, 1977.