APA (7th ed.) Citation

Darlow, M., Sutton, S., Winter, G., & Stewart, M. (1991). Merlin of the crystal cave. BBC Worldwide.

Chicago Style (17th ed.) Citation

Darlow, Michael, Shaun Sutton, George Winter, and Mary Stewart. Merlin of the Crystal Cave. London, England: BBC Worldwide, 1991.

MLA (9th ed.) Citation

Darlow, Michael, et al. Merlin of the Crystal Cave. BBC Worldwide, 1991.