Graf, F. W. (2011). Troeltsch, Ernst. Religion Past and Present online. doi:10.1163/1877-5888_rpp_COM_025182
Chicago Style (17th ed.) CitationGraf, Friedrich Wilhelm. "Troeltsch, Ernst." Religion Past and Present Online 2011, https://doi.org/10.1163/1877-5888_rpp_COM_025182.
MLA (9th ed.) CitationGraf, Friedrich Wilhelm. "Troeltsch, Ernst." Religion Past and Present Online, 2011, https://doi.org/10.1163/1877-5888_rpp_COM_025182.
Warning: These citations may not always be 100% accurate.