Röcke, W. (2011). Berthold of Regensburg. Religion Past and Present online. doi:10.1163/1877-5888_rpp_SIM_01820
Cita Chicago Style (17a ed.)Röcke, Werner. "Berthold of Regensburg." Religion Past and Present Online 2011, https://doi.org/10.1163/1877-5888_rpp_SIM_01820.
Cita MLA (8a ed.)Röcke, Werner. "Berthold of Regensburg." Religion Past and Present Online, 2011, https://doi.org/10.1163/1877-5888_rpp_SIM_01820.
Precaución: Estas citas no son 100% exactas.