APA (7th ed.) Citation

Hall, S., & Willson, S. (2006). Diego saves the tree frogs. Simon Spotlight Publisher.

Chicago Style (17th ed.) Citation

Hall, Susan, and Sarah Willson. Diego Saves the Tree Frogs. New York: Simon Spotlight Publisher, 2006.

MLA (9th ed.) Citation

Hall, Susan, and Sarah Willson. Diego Saves the Tree Frogs. Simon Spotlight Publisher, 2006.