Oeyen, C. (2015). Alt-Katholiken. Religion in Geschichte und Gegenwart online. doi:10.1163/2405-8262_rgg4_COM_00529
Chicago Style (17th ed.) CitationOeyen, C. "Alt-Katholiken." Religion in Geschichte Und Gegenwart Online 2015, https://doi.org/10.1163/2405-8262_rgg4_COM_00529.
MLA (8th ed.) CitationOeyen, C. "Alt-Katholiken." Religion in Geschichte Und Gegenwart Online, 2015, https://doi.org/10.1163/2405-8262_rgg4_COM_00529.
Warning: These citations may not always be 100% accurate.