APA (7th ed.) Citation

Boyle, T. C. (2004). The inner circle. Penguin Books.

Chicago Style (17th ed.) Citation

Boyle, T. Coraghessan. The Inner Circle. London: Penguin Books, 2004.

MLA (9th ed.) Citation

Boyle, T. Coraghessan. The Inner Circle. Penguin Books, 2004.

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