Mahler, M. S., Pine, F., & Bergman, A. (1985). The psychological birth of the human infant: Symbiosis and individuation. Karnac Books.

Mahler, Margaret S., Fred Pine, and Anni Bergman. The Psychological Birth of the Human Infant: Symbiosis and Individuation. London: Karnac Books, 1985.

Mahler, Margaret S., et al. The Psychological Birth of the Human Infant: Symbiosis and Individuation. Karnac Books, 1985.