APA (7th ed.) Citation

Adair, G. (1997). The key of the tower: A novel. Secker & Warburg.

Chicago Style (17th ed.) Citation

Adair, Gilbert. The Key of the Tower: A Novel. London: Secker & Warburg, 1997.

MLA (9th ed.) Citation

Adair, Gilbert. The Key of the Tower: A Novel. Secker & Warburg, 1997.

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