APA (7th ed.) Citation

Bettelheim, B. (1967). The empty fortress: Infantile autism and the birth of the self. Free Press.

Chicago Style (17th ed.) Citation

Bettelheim, Bruno. The Empty Fortress: Infantile Autism and the Birth of the Self. New York: Free Press, 1967.

MLA (9th ed.) Citation

Bettelheim, Bruno. The Empty Fortress: Infantile Autism and the Birth of the Self. Free Press, 1967.