APA (7th ed.) Citation

DeFelice, C. C., & Jackson, S. (1997). Willy's silly grandma. Orchard Books.

Chicago Style (17th ed.) Citation

DeFelice, Cynthia C., and Shelley Jackson. Willy's Silly Grandma. New York: Orchard Books, 1997.

MLA (8th ed.) Citation

DeFelice, Cynthia C., and Shelley Jackson. Willy's Silly Grandma. Orchard Books, 1997.