APA (7th ed.) Citation

Rudolph, E. (2011). Skepticism. Encyclopedia of Christianity online. doi:10.1163/2211-2685_eco_SI.12

Chicago Style (17th ed.) Citation

Rudolph, Enno. "Skepticism." Encyclopedia of Christianity Online 2011, https://doi.org/10.1163/2211-2685_eco_SI.12.

MLA (8th ed.) Citation

Rudolph, Enno. "Skepticism." Encyclopedia of Christianity Online, 2011, https://doi.org/10.1163/2211-2685_eco_SI.12.