APA (7th ed.) Citation

Bettelheim, B. (1967). The empty fortress: Infantile autism and the birth of the self (3. print.). Free Pr. [u.a.].

Chicago Style (17th ed.) Citation

Bettelheim, Bruno. The Empty Fortress: Infantile Autism and the Birth of the Self. 3. print. New York [u.a.]: Free Pr. [u.a.], 1967.

MLA (9th ed.) Citation

Bettelheim, Bruno. The Empty Fortress: Infantile Autism and the Birth of the Self. 3. print. Free Pr. [u.a.], 1967.