APA (7th ed.) Citation

Beale, S. R., Cumberbatch, B., & Legge, M. (2017). Dunkirk. BBC.

Chicago Style (17th ed.) Citation

Beale, Simon Russell, Benedict Cumberbatch, and Michael Legge. Dunkirk. [London]: BBC, 2017.

MLA (9th ed.) Citation

Beale, Simon Russell, et al. Dunkirk. BBC, 2017.