Cita APA (7a ed.)
BBC Education & Training, British Broadcasting Corporation, Science Channel (Television network), BBC Active (Firma), & Hicklin, W. (2006). La paradoja de Stephen Hawking. BBC Active.
Cita Chicago Style (17a ed.)
BBC Education & Training, British Broadcasting Corporation, Science Channel (Television network), BBC Active (Firma), y William Hicklin. La Paradoja De Stephen Hawking. Frenchs Forest, NSW: BBC Active, 2006.
Cita MLA (9a ed.)
BBC Education & Training, et al. La Paradoja De Stephen Hawking. BBC Active, 2006.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.