APA (7th ed.) Citation

Klaassen, W. (2011). Grebel, Konrad. Religion Past and Present online. doi:10.1163/1877-5888_rpp_SIM_08997

Chicago Style (17th ed.) Citation

Klaassen, Walter. "Grebel, Konrad." Religion Past and Present Online 2011, https://doi.org/10.1163/1877-5888_rpp_SIM_08997.

MLA (8th ed.) Citation

Klaassen, Walter. "Grebel, Konrad." Religion Past and Present Online, 2011, https://doi.org/10.1163/1877-5888_rpp_SIM_08997.