APA (7th ed.) Citation

Winkler, H. (2003). Hank Zipzer the World s Greatest Underachiever. Great Britain Publish.

Chicago Style (17th ed.) Citation

Winkler, Henry. Hank Zipzer the World S Greatest Underachiever. London: Great Britain Publish, 2003.

MLA (9th ed.) Citation

Winkler, Henry. Hank Zipzer the World S Greatest Underachiever. Great Britain Publish, 2003.

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