APA (7th ed.) Citation

Arnold, T. (2009). Green Wilma, frog in space. Dial Books for Young Readers.

Chicago Style (17th ed.) Citation

Arnold, Tedd. Green Wilma, Frog in Space. New York: Dial Books for Young Readers, 2009.

MLA (8th ed.) Citation

Arnold, Tedd. Green Wilma, Frog in Space. Dial Books for Young Readers, 2009.