APA (7th ed.) Citation

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.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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