APA (7th ed.) Citation

Lewis, C. S. (2001). The horse and his boy, book 3. HarperCollins Children's Books.

Chicago Style (17th ed.) Citation

Lewis, C. S. The Horse and His Boy, Book 3. New York: HarperCollins Children's Books, 2001.

MLA (9th ed.) Citation

Lewis, C. S. The Horse and His Boy, Book 3. HarperCollins Children's Books, 2001.

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