Cita APA (7th ed.)

Butler, C. (1986). Who are you?: Discovering your real identity. The Science of Identity Institute.

Cita Chicago (17th ed.)

Butler, Chris. Who Are You?: Discovering Your Real Identity. Makati: The Science of Identity Institute, 1986.

Cita MLA (9th ed.)

Butler, Chris. Who Are You?: Discovering Your Real Identity. The Science of Identity Institute, 1986.