APA (7th ed.) Citation

Helen Dunmore. (1996). A Spell Of Winter. Penguin Books.

Chicago Style (17th ed.) Citation

Helen Dunmore. A Spell Of Winter. England: Penguin Books, 1996.

MLA (9th ed.) Citation

Helen Dunmore. A Spell Of Winter. Penguin Books, 1996.

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