APA (7th ed.) Citation

Rowling. (2005). Harry Potter and the half-blood prince. Bloomsbury.

Chicago Style (17th ed.) Citation

Rowling. Harry Potter and the Half-blood Prince. Great Britain: Bloomsbury, 2005.

MLA (8th ed.) Citation

Rowling. Harry Potter and the Half-blood Prince. Bloomsbury, 2005.

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