APA (7th ed.) Citation

Cameron, J., Weaver, S., & Twentieth Century-Fox Film Corporation. (2009). Avatar. Twentieth Century Fox.

Chicago Style (17th ed.) Citation

Cameron, James, Sigourney Weaver, and Twentieth Century-Fox Film Corporation. Avatar. Beverly Hills, CA: Twentieth Century Fox, 2009.

MLA (8th ed.) Citation

Cameron, James, et al. Avatar. Twentieth Century Fox, 2009.