APA-viite (7. p.)

Schellenberg, J. L. (2007). The wisdom to doubt: A justification of religious skepticism. Cornell University Press.

Chicago-viite (17. p.)

Schellenberg, J. L. The Wisdom to Doubt: A Justification of Religious Skepticism. Ithaca: Cornell University Press, 2007.

MLA-viite (9. p.)

Schellenberg, J. L. The Wisdom to Doubt: A Justification of Religious Skepticism. Cornell University Press, 2007.