Kippenberg, H. G. (2011). Dualism. Encyclopedia of Christianity online. doi:10.1163/2211-2685_eco_D460
Chicago Style (17th ed.) CitationKippenberg, Hans Gerhard. "Dualism." Encyclopedia of Christianity Online 2011, https://doi.org/10.1163/2211-2685_eco_D460.
MLA (8th ed.) CitationKippenberg, Hans Gerhard. "Dualism." Encyclopedia of Christianity Online, 2011, https://doi.org/10.1163/2211-2685_eco_D460.
Warning: These citations may not always be 100% accurate.