APA Style

Hall, Katharine. (2014). Polar bears and penguins . New York: Scholastic.

Chicago Style

Hall, Katharine. Polar bears and penguins. New York: Scholastic, 2014. Text.

MLA Style

Hall, Katharine. Polar bears and penguins. New York: Scholastic, 2014. Text.

Turabian Style

Hall, Katharine. Polar bears and penguins. New York: Scholastic, 2014. Print.