Heinemann, F. H. (1958). Existentialism and the modern predicament. Harper & Row.
芝加哥风格引文Heinemann, Frederick Henry. Existentialism and the Modern Predicament. New York: Harper & Row, 1958.
MLA引文Heinemann, Frederick Henry. Existentialism and the Modern Predicament. Harper & Row, 1958.
警告：这些引文格式不一定是100％准确.