Cita APA (7th ed.)

Discovery Channel School, QuickTime, & World Book. (2005). Birds [computer file]. Discovery Communications.

Cita Chicago (17th ed.)

Discovery Channel School, QuickTime, i World Book. Birds [computer File]. [U.S.A.]: Discovery Communications, 2005.

Cita MLA (9th ed.)

Discovery Channel School, et al. Birds [computer File]. Discovery Communications, 2005.