APA (7th ed.) Citation

Bayard, L., & Vance, S. (2008). The black tower. Blackstone Audio.

Chicago Style (17th ed.) Citation

Bayard, Louis, and Simon Vance. The Black Tower. [Ashland, Or.]: Blackstone Audio, 2008.

MLA (8th ed.) Citation

Bayard, Louis, and Simon Vance. The Black Tower. Blackstone Audio, 2008.

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