Merlin of the crystal cave. Episode four, The return
MLA
Darlow, Michael, et al. Merlin of the Crystal Cave. London, England: BBC Worldwide, 1991
APA, 7th edition
Darlow, M., Sutton, S., Winter, G., & Stewart, M. (1991). Merlin of the crystal cave. London, England: BBC Worldwide
Chicago, 17th edition
Darlow, Michael, Shaun Sutton, George Winter, and Mary Stewart. Merlin of the crystal cave. London, England: BBC Worldwide, 1991