Butler, C. (1986). Who are you?: Discovering your real identity. The Science of Identity Institute.
Citazione stile Chigago Style (17a edizione)Butler, Chris. Who Are You?: Discovering Your Real Identity. Makati: The Science of Identity Institute, 1986.
Citatione MLA (9a ed.)Butler, Chris. Who Are You?: Discovering Your Real Identity. The Science of Identity Institute, 1986.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.