Cita APA (7a ed.)

Beer, H. d. (2009). Little polar bear and the whales. North-South ; Publishers Group UK [distributor].

Cita Chicago Style (17a ed.)

Beer, Hans de. Little Polar Bear and the Whales. New York : Enfield: North-South ; Publishers Group UK [distributor], 2009.

Cita MLA (8a ed.)

Beer, Hans de. Little Polar Bear and the Whales. North-South ; Publishers Group UK [distributor], 2009.

Precaución: Estas citas no son 100% exactas.