APA (7th ed.) Citation

Lourie, P. (2012). The polar bear scientists. Houghton Mifflin Books for Children.

Chicago Style (17th ed.) Citation

Lourie, Peter. The Polar Bear Scientists. Boston: Houghton Mifflin Books for Children, 2012.

MLA (9th ed.) Citation

Lourie, Peter. The Polar Bear Scientists. Houghton Mifflin Books for Children, 2012.

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