Cita APA (7th ed.)

Freud, S. (1964). The future of an illusion. Doubleday & Company.

Cita Chicago (17th ed.)

Freud, Sigmund. The Future of an Illusion. Nueva York: Doubleday & Company, 1964.

Cita MLA (9th ed.)

Freud, Sigmund. The Future of an Illusion. Doubleday & Company, 1964.

Atenció: Aquestes cites poden no estar 100% correctes.