Cita APA (7th ed.)
Schwarzenegger, A., & Laughlin, K. (1990). Schwarzenegger's comeback. Ricordi.
Cita Chicago (17th ed.)
Schwarzenegger, Arnold, i Kip Laughlin. Schwarzenegger's Comeback. [Milano]: Ricordi, 1990.
Cita MLA (9th ed.)
Schwarzenegger, Arnold, i Kip Laughlin. Schwarzenegger's Comeback. Ricordi, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.