APA (7th ed.) Citation

Lewis, C. S. (2007). The silver chair. Harper Throphy.

Chicago Style (17th ed.) Citation

Lewis, C. S. The Silver Chair. London: Harper Throphy, 2007.

MLA (9th ed.) Citation

Lewis, C. S. The Silver Chair. Harper Throphy, 2007.

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