Clark, W. (1888). Witnesses to Christ: A contribution to Christian apologetis. McClurg.
芝加哥风格引文Clark, William. Witnesses to Christ: A Contribution to Christian Apologetis. Chicago: McClurg, 1888.
MLA引文Clark, William. Witnesses to Christ: A Contribution to Christian Apologetis. McClurg, 1888.
警告：这些引文格式不一定是100％准确.