APA (7th ed.) Citation

Reynaud, M., Knight, J., Smith, B., & Barclay, G. (2014). Fierce Earth. BBC Worldwide.

Chicago Style (17th ed.) Citation

Reynaud, Mark, James Knight, Ben Smith, and Gavin Barclay. Fierce Earth. London, England: BBC Worldwide, 2014.

MLA (9th ed.) Citation

Reynaud, Mark, et al. Fierce Earth. BBC Worldwide, 2014.