APA (7th ed.) Citation

Thomas,Isabel. (2009). Polar bear vs.Grizzly bear. Raintree.

Chicago Style (17th ed.) Citation

Thomas,Isabel. Polar Bear Vs.Grizzly Bear. Uk: Raintree, 2009.

MLA (9th ed.) Citation

Thomas,Isabel. Polar Bear Vs.Grizzly Bear. Raintree, 2009.

Warning: These citations may not always be 100% accurate.