APA (7th ed.) Citation

Doughtie, P., & Perry, J. (2010). Letters to God: A novel. Zonderkidz.

Chicago Style (17th ed.) Citation

Doughtie, Patrick, and John Perry. Letters to God: A Novel. Grand Rapids, Michigan: Zonderkidz, 2010.

MLA (9th ed.) Citation

Doughtie, Patrick, and John Perry. Letters to God: A Novel. Zonderkidz, 2010.