APA (7th ed.) Citation

Law, N., Ellis-Hill, D., & Hunter, K. (2012). Horizon. BBC Worldwide.

Chicago Style (17th ed.) Citation

Law, Naomi, Diana Ellis-Hill, and Kelly Hunter. Horizon. London, England: BBC Worldwide, 2012.

MLA (9th ed.) Citation

Law, Naomi, et al. Horizon. BBC Worldwide, 2012.