Cita APA (7a ed.)

British Broadcasting Corporation, Australian Broadcasting Corporation, Turner Broadcasting System, Attenborough, D., & Jones, P. (2005). Trials of life. BBC Worldwide.

Cita Chicago Style (17a ed.)

British Broadcasting Corporation, Australian Broadcasting Corporation, Turner Broadcasting System, David Attenborough, y Peter Jones. Trials of Life. [London]: BBC Worldwide, 2005.

Cita MLA (9a ed.)

British Broadcasting Corporation, et al. Trials of Life. BBC Worldwide, 2005.