APA-referens (7:e uppl.)
Lightman, B. V. (2019). The Origins of Agnosticism: Victorian Unbelief and the Limits of Knowledge. Johns Hopkins University Press.
Chicago-referens (17:e uppl.)
Lightman, Bernard V. The Origins of Agnosticism: Victorian Unbelief and the Limits of Knowledge. Baltimore: Johns Hopkins University Press, 2019.
MLA-referens (9:e uppl.)
Lightman, Bernard V. The Origins of Agnosticism: Victorian Unbelief and the Limits of Knowledge. Johns Hopkins University Press, 2019.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.