Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (9e éd.)

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