Heilbroner, R. L. (1996). Visions of the future: The distant past, yesterday, today, tomorrow. New York Public Library : Oxford University Press.
芝加哥风格引文Heilbroner, Robert L. Visions of the Future: The Distant Past, Yesterday, Today, Tomorrow. New York: New York Public Library : Oxford University Press, 1996.
MLA引文Heilbroner, Robert L. Visions of the Future: The Distant Past, Yesterday, Today, Tomorrow. New York Public Library : Oxford University Press, 1996.
警告：这些引文格式不一定是100％准确.