APA (7th ed.) Citation

Tucker, A., & Watchurst, N. (1993). Bookmark. BBC Worldwide.

Chicago Style (17th ed.) Citation

Tucker, Anand, and Neville Watchurst. Bookmark. London, England: BBC Worldwide, 1993.

MLA (9th ed.) Citation

Tucker, Anand, and Neville Watchurst. Bookmark. BBC Worldwide, 1993.