Gwinn, D., & Wennberg, R. e. t. a. c. (1993). The illusion of agony: A comprehensive critique of Dr. Robert Wennberg's book, Life in the balance. s.n.].
芝加哥风格引文Gwinn, Douglas, 与 Robert exploring the abortion controversy Wennberg. The Illusion of Agony: A Comprehensive Critique of Dr. Robert Wennberg's Book, Life in the Balance. [S.l: s.n.], 1993.
MLA引文Gwinn, Douglas, 与 Robert exploring the abortion controversy Wennberg. The Illusion of Agony: A Comprehensive Critique of Dr. Robert Wennberg's Book, Life in the Balance. s.n.], 1993.
警告：这些引文格式不一定是100％准确.