Cita APA (7a ed.)

Crisp, D., Ford, J., Dunne, P., O'Hara, M., Llewellyn, R., Pidgeon, W., & Zanuck, D. F. (2009). Qué verde era mi valle: How green was my valley. Twentieth Century Fox Home Entertainment España.

Cita Chicago Style (17a ed.)

Crisp, Donald, John Ford, Philip Dunne, Maureen O'Hara, Richard Llewellyn, Walter Pidgeon, y Darryl F. Zanuck. Qué Verde Era Mi Valle: How Green Was My Valley. Madrid: Twentieth Century Fox Home Entertainment España, 2009.

Cita MLA (9a ed.)

Crisp, Donald, et al. Qué Verde Era Mi Valle: How Green Was My Valley. Twentieth Century Fox Home Entertainment España, 2009.