Christophersen, A. (2015). Umbreit, Wilhelm Karl. Religion in Geschichte und Gegenwart online. doi:10.1163/2405-8262_rgg4_SIM_026212
Chicago Style (17th ed.) CitationChristophersen, Alf. "Umbreit, Wilhelm Karl." Religion in Geschichte Und Gegenwart Online 2015, https://doi.org/10.1163/2405-8262_rgg4_SIM_026212.
MLA (8th ed.) CitationChristophersen, Alf. "Umbreit, Wilhelm Karl." Religion in Geschichte Und Gegenwart Online, 2015, https://doi.org/10.1163/2405-8262_rgg4_SIM_026212.
Warning: These citations may not always be 100% accurate.