APA (7th ed.) Citation

Ahrens, T. (2011). Freytag, Walter. Religion Past and Present online. doi:10.1163/1877-5888_rpp_SIM_07925

Chicago Style (17th ed.) Citation

Ahrens, Theodor. "Freytag, Walter." Religion Past and Present Online 2011, https://doi.org/10.1163/1877-5888_rpp_SIM_07925.

MLA (9th ed.) Citation

Ahrens, Theodor. "Freytag, Walter." Religion Past and Present Online, 2011, https://doi.org/10.1163/1877-5888_rpp_SIM_07925.