APA-Zitierstil (7. Ausg.)

Watts, G. L. (1999). Painful questions: Facing struggles with faith. Herald Press.

Chicago-Zitierstil (17. Ausg.)

Watts, Gary L. Painful Questions: Facing Struggles with Faith. Scottdale, Pa: Herald Press, 1999.

MLA-Zitierstil (9. Ausg.)

Watts, Gary L. Painful Questions: Facing Struggles with Faith. Herald Press, 1999.