APA (7th ed.) Citation

Heinrich, B., & Foster, M. (2009). Winter world: The ingenuity of animal survival (Unabridged.). Tantor Media.

Chicago Style (17th ed.) Citation

Heinrich, Bernd, and Mel Foster. Winter World: The Ingenuity of Animal Survival. Unabridged. Old Saybrook: Tantor Media, 2009.

MLA (8th ed.) Citation

Heinrich, Bernd, and Mel Foster. Winter World: The Ingenuity of Animal Survival. Unabridged. Tantor Media, 2009.

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