Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

Discover Channel School, et al. Mammals [computer File]. Discovery Communications, Inc, 2005.