Cita APA (7th ed.)
Piaget, J. (1959). The language and thought of the child. (3rd rev. ed.). Routledge.
Cita Chicago (17th ed.)
Piaget, Jean. The Language and Thought of the Child. 3rd rev. ed. New York: Routledge, 1959.
Cita MLA (9th ed.)
Piaget, Jean. The Language and Thought of the Child. 3rd rev. ed. Routledge, 1959.
Atenció: Aquestes cites poden no estar 100% correctes.