APA (7th ed.) Citation

King-Smith , D., & Bartelt , R. (1999). Harry's Mad. Puffin Books.

Chicago Style (17th ed.) Citation

King-Smith , Dick, and Robert Bartelt. Harry's Mad. England: Puffin Books, 1999.

MLA (9th ed.) Citation

King-Smith , Dick, and Robert Bartelt. Harry's Mad. Puffin Books, 1999.

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