APA (7th ed.) Citation

Heron, Z., & Winchcombe, S. (2015). Horizon. British Broadcasting Corporation.

Chicago Style (17th ed.) Citation

Heron, Zoe, and Simon Winchcombe. Horizon. London, England: British Broadcasting Corporation, 2015.

MLA (9th ed.) Citation

Heron, Zoe, and Simon Winchcombe. Horizon. British Broadcasting Corporation, 2015.