APA (7th ed.) Citation

Barker, M., Keir, D., & Blackmore, R. D. (2000). Lorna Doone. BBC Worldwide.

Chicago Style (17th ed.) Citation

Barker, Mike, Deirdre Keir, and R. D. Blackmore. Lorna Doone. London, England: BBC Worldwide, 2000.

MLA (9th ed.) Citation

Barker, Mike, et al. Lorna Doone. BBC Worldwide, 2000.