Hartwich, W. (2015). Wagner, Richard. Religion in Geschichte und Gegenwart online. doi:10.1163/2405-8262_rgg4_SIM_224012
Citazione stile Chigago Style (17a edizione)Hartwich, Wolf-Daniel. "Wagner, Richard." Religion in Geschichte Und Gegenwart Online 2015, https://doi.org/10.1163/2405-8262_rgg4_SIM_224012.
Citatione MLA (8a ed.)Hartwich, Wolf-Daniel. "Wagner, Richard." Religion in Geschichte Und Gegenwart Online, 2015, https://doi.org/10.1163/2405-8262_rgg4_SIM_224012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.