APA引文

Singer, M. (1987). Passage to a human world. Hudson Institute.

芝加哥风格引文

Singer, Max. Passage to a Human World. Indianapolis, Ind.: Hudson Institute, 1987.

MLA引文

Singer, Max. Passage to a Human World. Hudson Institute, 1987.

警告：这些引文格式不一定是100％准确.