Walls, A. (2015). Duff, Alexander. Religion in Geschichte und Gegenwart online. doi:10.1163/2405-8262_rgg4_SIM_03941
Chicago Style (17th ed.) CitationWalls, A.F. "Duff, Alexander." Religion in Geschichte Und Gegenwart Online 2015, https://doi.org/10.1163/2405-8262_rgg4_SIM_03941.
MLA (8th ed.) CitationWalls, A.F. "Duff, Alexander." Religion in Geschichte Und Gegenwart Online, 2015, https://doi.org/10.1163/2405-8262_rgg4_SIM_03941.
Warning: These citations may not always be 100% accurate.