APA (7th ed.) Citation

Sage, H., McCreery, P., Goshawk, G., & Dunbar, A. (2017). Astronauts. BBC Worldwide.

Chicago Style (17th ed.) Citation

Sage, Helen, Phillip McCreery, Gilly Goshawk, and Adrian Dunbar. Astronauts. London, England: BBC Worldwide, 2017.

MLA (9th ed.) Citation

Sage, Helen, et al. Astronauts. BBC Worldwide, 2017.