Cita APA (7th ed.)

Bettelheim, B. (1991). The informed heart. Penguin Books.

Cita Chicago (17th ed.)

Bettelheim, Bruno. The Informed Heart. London: Penguin Books, 1991.

Cita MLA (9th ed.)

Bettelheim, Bruno. The Informed Heart. Penguin Books, 1991.

Atenció: Aquestes cites poden no estar 100% correctes.