APA (7th ed.) Citation

Belton, D., Cushley, F., & Gwynne, H. (2013). The silent war. BBC Worldwide.

Chicago Style (17th ed.) Citation

Belton, David, Fiona Cushley, and Haydn Gwynne. The Silent War. London, England: BBC Worldwide, 2013.

MLA (9th ed.) Citation

Belton, David, et al. The Silent War. BBC Worldwide, 2013.