Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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