Schöpsdau, W. (2011). Social Encyclicals. The encyclopedia of Christianity online$heditors: Erwin Fahlbusch [und weitere]. doi:10.1163/2211-2685_eco_SI.19
芝加哥风格引文Schöpsdau, Walter. "Social Encyclicals." The Encyclopedia of Christianity Online$heditors: Erwin Fahlbusch [und Weitere] 2011, https://doi.org/10.1163/2211-2685_eco_SI.19.
MLA引文Schöpsdau, Walter. "Social Encyclicals." The Encyclopedia of Christianity Online$heditors: Erwin Fahlbusch [und Weitere], 2011, https://doi.org/10.1163/2211-2685_eco_SI.19.
警告：这些引文格式不一定是100％准确.