Brown, H. S. (1954). The challenge of man's future: An inquiry concerning the condition of man during the years that lie ahead. Viking Press.
芝加哥风格引文Brown, Harrison Scott. The Challenge of Man's Future: An Inquiry Concerning the Condition of Man During the Years That Lie Ahead. New York: Viking Press, 1954.
MLA引文Brown, Harrison Scott. The Challenge of Man's Future: An Inquiry Concerning the Condition of Man During the Years That Lie Ahead. Viking Press, 1954.
警告：这些引文格式不一定是100％准确.