APA引文

Tennant, D. (2014). Penguins: Spy in the huddle (Wide screen.). BBC Earth.

Chicago Style (17th ed.) Citation

Tennant, David. Penguins: Spy in the Huddle. Wide screen. [London?]: BBC Earth, 2014.

MLA引文

Tennant, David. Penguins: Spy in the Huddle. Wide screen. BBC Earth, 2014.

警告：這些引文格式不一定是100％准確.