APA引文

Orr, T. (2013). Polar bears. Children's Press, an imprint of Scholastic Inc..

Chicago Style (17th ed.) Citation

Orr, Tamra. Polar Bears. New York: Children's Press, an imprint of Scholastic Inc., 2013.

MLA引文

Orr, Tamra. Polar Bears. Children's Press, an imprint of Scholastic Inc., 2013.

警告：這些引文格式不一定是100％准確.