APA (7th ed.) Citation

Young, W. P., & Mueller, R. (2008). The shack. Oasis Audio.

Chicago Style (17th ed.) Citation

Young, William P., and Roger Mueller. The Shack. Carol Stream, IL: Oasis Audio, 2008.

MLA (9th ed.) Citation

Young, William P., and Roger Mueller. The Shack. Oasis Audio, 2008.