APA-referens (7:e uppl.)

Barclay, O. R. (1974). Reasons for faith. Intervasity.

Chicago-referens (17:e uppl.)

Barclay, Oliver R. Reasons for Faith. Illinois: Intervasity, 1974.

MLA-referens (9:e uppl.)

Barclay, Oliver R. Reasons for Faith. Intervasity, 1974.