APA-viite (7. p.)

Napper, E., & Attenborough, D. (2019). Seven worlds, one planet. BBC Worldwide.

Chicago-viite (17. p.)

Napper, Emma, ja David Attenborough. Seven Worlds, One Planet. London, England: BBC Worldwide, 2019.

MLA-viite (9. p.)

Napper, Emma, ja David Attenborough. Seven Worlds, One Planet. BBC Worldwide, 2019.