APA (7th ed.) Citation

Harron, M., Turner, G., Bale, C., Dafoe, W., Leto, J., & Ellis, B. E. (2000). American psycho. Lions Gate Films.

Chicago Style (17th ed.) Citation

Harron, Mary, Guinevere Turner, Christian Bale, Willem Dafoe, Jared Leto, and Bret Easton Ellis. American Psycho. [Los Angeles, Calif.]: Lions Gate Films, 2000.

MLA (9th ed.) Citation

Harron, Mary, et al. American Psycho. Lions Gate Films, 2000.