APA (7th ed.) Citation

Earling Studios, Guinness, A., Greenwood, J., Parker, C., Balcon, M., & Mackendrick, A. (2006). The Ladykillers. Optimun Classics.

Chicago Style (17th ed.) Citation

Earling Studios, Alec Guinness, Joan Greenwood, Cecil Parker, Michael Balcon, and Alexander Mackendrick. The Ladykillers. London: Optimun Classics, 2006.

MLA (9th ed.) Citation

Earling Studios, et al. The Ladykillers. Optimun Classics, 2006.