APA (7th ed.) Citation

Greenwood, S., & Henshall, D. (2017). Mountains. BBC Worldwide.

Chicago Style (17th ed.) Citation

Greenwood, Steve, and Douglas Henshall. Mountains. London, England: BBC Worldwide, 2017.

MLA (9th ed.) Citation

Greenwood, Steve, and Douglas Henshall. Mountains. BBC Worldwide, 2017.

Warning: These citations may not always be 100% accurate.