APA (7th ed.) Citation

Roggenkamp, A. (2011). Catherine of Siena. Encyclopedia of Christianity online. doi:10.1163/2211-2685_eco_C240

Chicago Style (17th ed.) Citation

Roggenkamp, Antje. "Catherine of Siena." Encyclopedia of Christianity Online 2011, https://doi.org/10.1163/2211-2685_eco_C240.

MLA (8th ed.) Citation

Roggenkamp, Antje. "Catherine of Siena." Encyclopedia of Christianity Online, 2011, https://doi.org/10.1163/2211-2685_eco_C240.