APA (7th ed.) Citation

Young, W. P. (2007). The shack: A novel. Windblown Media.

Chicago Style (17th ed.) Citation

Young, William P. The Shack: A Novel. Newburry Park, CA: Windblown Media, 2007.

MLA (9th ed.) Citation

Young, William P. The Shack: A Novel. Windblown Media, 2007.