APA (7th ed.) Citation

Ford, J., Pidgeon, W., O'Hara, M., Lee, A., & Llewellyn, R. (2012). How green was my valley. Twentieth Century Fox Home Entertainment.

Chicago Style (17th ed.) Citation

Ford, John, Walter Pidgeon, Maureen O'Hara, Anna Lee, and Richard Llewellyn. How Green Was My Valley. [S.l.]: Twentieth Century Fox Home Entertainment, 2012.

MLA (9th ed.) Citation

Ford, John, et al. How Green Was My Valley. Twentieth Century Fox Home Entertainment, 2012.