APA引文

Heinrich, B. (2003). Winter world: The ingenuity of animal survival. Ecco.

Chicago Style (17th ed.) Citation

Heinrich, Bernd. Winter World: The Ingenuity of Animal Survival. New York, NY: Ecco, 2003.

MLA引文

Heinrich, Bernd. Winter World: The Ingenuity of Animal Survival. Ecco, 2003.

警告：這些引文格式不一定是100％准確.