APA (7th ed.) Citation

Walls, A. F. (2011). Duff, Alexander. Religion Past and Present online. doi:10.1163/1877-5888_rpp_SIM_03941

Chicago Style (17th ed.) Citation

Walls, Andrew F. "Duff, Alexander." Religion Past and Present Online 2011, https://doi.org/10.1163/1877-5888_rpp_SIM_03941.

MLA (8th ed.) Citation

Walls, Andrew F. "Duff, Alexander." Religion Past and Present Online, 2011, https://doi.org/10.1163/1877-5888_rpp_SIM_03941.

Warning: These citations may not always be 100% accurate.