APA (7th ed.) Citation

Hornby, N. (2002). About a boy. Penguin Books.

Chicago Style (17th ed.) Citation

Hornby, Nick. About a Boy. London: Penguin Books, 2002.

MLA (9th ed.) Citation

Hornby, Nick. About a Boy. Penguin Books, 2002.

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