APA (7th ed.) Citation

Jones, D. W. (2001). Castle in the air (First Harper Trophy edition.). HarperTrophy.

Chicago Style (17th ed.) Citation

Jones, Diana Wynne. Castle in the Air. First Harper Trophy edition. New York, NY: HarperTrophy, 2001.

MLA (9th ed.) Citation

Jones, Diana Wynne. Castle in the Air. First Harper Trophy edition. HarperTrophy, 2001.

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