Cita APA (7th ed.)
Ray, L., Blackford, R., Sarif, S., Sheth, S., Fox, G., Moss, C., . . . Dabas, P. (2009). The world unseen. Enlightenment Films.
Cita Chicago (17th ed.)
Ray, Lisa, Richard Blackford, Shamim Sarif, Shetal Sheth, Grethe Fox, Colin Moss, David Dennis, Nandana Sen, i Parvin Dabas. The World Unseen. [Gran Bretagna]: Enlightenment Films, 2009.
Cita MLA (9th ed.)
Ray, Lisa, et al. The World Unseen. Enlightenment Films, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.