Anderson, A. H. (2019). Simpson, William Wallace. Brill's encyclopedia of global pentecostalism online. doi:10.1163/2589-3807_EGPO_COM_038317
Chicago Style (17th ed.) CitationAnderson, Allan Heaton. "Simpson, William Wallace." Brill's Encyclopedia of Global Pentecostalism Online 2019, https://doi.org/10.1163/2589-3807_EGPO_COM_038317.
MLA (8th ed.) CitationAnderson, Allan Heaton. "Simpson, William Wallace." Brill's Encyclopedia of Global Pentecostalism Online, 2019, https://doi.org/10.1163/2589-3807_EGPO_COM_038317.
Warning: These citations may not always be 100% accurate.