Verkamp, B. J. (2008). Encyclopedia of philosophers on religion. McFarland.
芝加哥风格引文Verkamp, Bernard J. Encyclopedia of Philosophers on Religion. Jefferson, NC [u.a.]: McFarland, 2008.
MLA引文Verkamp, Bernard J. Encyclopedia of Philosophers on Religion. McFarland, 2008.
警告：这些引文格式不一定是100％准确.