APA (7th ed.) Citation

Gifford, C. (2002). So You Think You Know Harry Potter: Over 1000 Wizard Quiz Question! Hodder Children's Books.

Chicago Style (17th ed.) Citation

Gifford, Clive. So You Think You Know Harry Potter: Over 1000 Wizard Quiz Question! London: Hodder Children's Books, 2002.

MLA (9th ed.) Citation

Gifford, Clive. So You Think You Know Harry Potter: Over 1000 Wizard Quiz Question! Hodder Children's Books, 2002.