APA (7th ed.) Citation

Young, W. P., Jacobsen, W., & Cummings, B. (2007). The shack: Where tragedy confronts eternity. windblown Media.

Chicago Style (17th ed.) Citation

Young, William Paul, Wayne Jacobsen, and Brad Cummings. The Shack: Where Tragedy Confronts Eternity. Newbury Park, California: windblown Media, 2007.

MLA (9th ed.) Citation

Young, William Paul, et al. The Shack: Where Tragedy Confronts Eternity. windblown Media, 2007.