Ruppert, H. (2011). Florensky, Pavel Aleksandrovich. Religion Past and Present online. doi:10.1163/1877-5888_rpp_SIM_07691
Citazione stile Chigago Style (17a edizione)Ruppert, Hans-Jürgen. "Florensky, Pavel Aleksandrovich." Religion Past and Present Online 2011, https://doi.org/10.1163/1877-5888_rpp_SIM_07691.
Citatione MLA (9a ed.)Ruppert, Hans-Jürgen. "Florensky, Pavel Aleksandrovich." Religion Past and Present Online, 2011, https://doi.org/10.1163/1877-5888_rpp_SIM_07691.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.