APA (7th ed.) Citation

Downer, J., Fuller, S., & Boyega, J. (2019). Serengeti. BBC Worldwide.

Chicago Style (17th ed.) Citation

Downer, John, Simon Fuller, and John Boyega. Serengeti. London, England: BBC Worldwide, 2019.

MLA (9th ed.) Citation

Downer, John, et al. Serengeti. BBC Worldwide, 2019.