Wellman ,Carl. (1975). Morals and Ethics (ed.). Scott, Forsman and Co..
芝加哥风格引文Wellman ,Carl. Morals and Ethics. ed. Illonois: Scott, Forsman and Co., 1975.
MLA引文Wellman ,Carl. Morals and Ethics. ed. Scott, Forsman and Co., 1975.
警告：这些引文格式不一定是100％准确.