Cita APA (7a ed.)

Speak-Up & Scott, R. (2008). American Gangster. Universal Pictures Iberia.

Cita Chicago Style (17a ed.)

Speak-Up y Ridley Scott. American Gangster. Madrid: Universal Pictures Iberia, 2008.

Cita MLA (9a ed.)

Speak-Up y Ridley Scott. American Gangster. Universal Pictures Iberia, 2008.