Cita APA (7a ed.)

Telenatura 2004. (2004). Whales in crisis. [National Geographic].

Cita Chicago Style (17a ed.)

Telenatura 2004. Whales in Crisis. [USA]: [National Geographic], 2004.

Cita MLA (9a ed.)

Telenatura 2004. Whales in Crisis. [National Geographic], 2004.