Cita APA (7a ed.)

Piaget, J., & Gabain, M. (1965). The moral judgment of the child. Free Press.

Cita Chicago Style (17a ed.)

Piaget, Jean, y Marjorie Gabain. The Moral Judgment of the Child. New York: Free Press, 1965.

Cita MLA (9a ed.)

Piaget, Jean, y Marjorie Gabain. The Moral Judgment of the Child. Free Press, 1965.