APA-viite (7. p.)

Wider-Smith, A. E., & Wilder-Smith, A. .. (1981). He who thinks has to believe. Bethany.

Chicago-viite (17. p.)

Wider-Smith, A. E., ja A .E Wilder-Smith. He Who Thinks Has to Believe. Minneapolis: Bethany, 1981.

MLA-viite (9. p.)

Wider-Smith, A. E., ja A .E Wilder-Smith. He Who Thinks Has to Believe. Bethany, 1981.