APA (7th ed.) Citation

Bruen, K., & Doyle, G. (2013). Purgatory (Unabridged.). HighBridge Audio.

Chicago Style (17th ed.) Citation

Bruen, Ken, and Gerard Doyle. Purgatory. Unabridged. Prince Frederick: HighBridge Audio, 2013.

MLA (8th ed.) Citation

Bruen, Ken, and Gerard Doyle. Purgatory. Unabridged. HighBridge Audio, 2013.

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