Cita APA (7a ed.)

Ployé, P., & Piontelli, A. (2006). The prenatal theme in psychotherapy. Karnac.

Cita Chicago Style (17a ed.)

Ployé, Philippe, y Alessandra Piontelli. The Prenatal Theme in Psychotherapy. [London]: Karnac, 2006.

Cita MLA (8a ed.)

Ployé, Philippe, y Alessandra Piontelli. The Prenatal Theme in Psychotherapy. Karnac, 2006.