APA (7th ed.) Citation

Sage, H., & Frith, U. (2014). Horizon. BBC Worldwide.

Chicago Style (17th ed.) Citation

Sage, Helen, and Uta Frith. Horizon. London, England: BBC Worldwide, 2014.

MLA (9th ed.) Citation

Sage, Helen, and Uta Frith. Horizon. BBC Worldwide, 2014.

Warning: These citations may not always be 100% accurate.