APA (7th ed.) Citation

Hatkoff, J., Hatkoff, I., & Hatkoff, C. (2009). Winter's tail: How one little dolphin learned to swim again. Scholastic Press.

Chicago Style (17th ed.) Citation

Hatkoff, Juliana, Isabella Hatkoff, and Craig Hatkoff. Winter's Tail: How One Little Dolphin Learned to Swim Again. New York: Scholastic Press, 2009.

MLA (8th ed.) Citation

Hatkoff, Juliana, et al. Winter's Tail: How One Little Dolphin Learned to Swim Again. Scholastic Press, 2009.

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