APA (7th ed.) Citation

Tilby, A., & Vaughan, P. (1988). Horizon. BBC Worldwide.

Chicago Style (17th ed.) Citation

Tilby, Angela, and Paul Vaughan. Horizon. London, England: BBC Worldwide, 1988.

MLA (9th ed.) Citation

Tilby, Angela, and Paul Vaughan. Horizon. BBC Worldwide, 1988.

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