APA (7th ed.) Citation

Hearle, A., & Heron, Z. (2014). Horizon: Mission to the red planet. British Broadcasting Corporation.

Chicago Style (17th ed.) Citation

Hearle, Alex, and Zoe Heron. Horizon: Mission to the Red Planet. London, England: British Broadcasting Corporation, 2014.

MLA (9th ed.) Citation

Hearle, Alex, and Zoe Heron. Horizon: Mission to the Red Planet. British Broadcasting Corporation, 2014.