APA (7th ed.) Citation

Stockley, N., & Gillett, A. (2001). Horizon. BBC Worldwide.

Chicago Style (17th ed.) Citation

Stockley, Nicola, and Aden Gillett. Horizon. [London, England]: BBC Worldwide, 2001.

MLA (9th ed.) Citation

Stockley, Nicola, and Aden Gillett. Horizon. BBC Worldwide, 2001.