Wassilowsky, G. (2011). Leo XIII, Pope. Religion Past and Present online. doi:10.1163/1877-5888_rpp_SIM_12905
Chicago Style (17th ed.) CitationWassilowsky, Günther. "Leo XIII, Pope." Religion Past and Present Online 2011, https://doi.org/10.1163/1877-5888_rpp_SIM_12905.
MLA (8th ed.) CitationWassilowsky, Günther. "Leo XIII, Pope." Religion Past and Present Online, 2011, https://doi.org/10.1163/1877-5888_rpp_SIM_12905.
Warning: These citations may not always be 100% accurate.