APA (7th ed.) Citation

Nigel Gray. (1994). A Balloon for Grandad. Orchard Books.

Chicago Style (17th ed.) Citation

Nigel Gray. A Balloon for Grandad. London: Orchard Books, 1994.

MLA (9th ed.) Citation

Nigel Gray. A Balloon for Grandad. Orchard Books, 1994.

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