Molina, F. R. (1969). The sources of existentialism as philosophy. Prentice-Hall.
芝加哥风格引文Molina, Fernando R. The Sources of Existentialism as Philosophy. Englewood Cliffs, N.J.: Prentice-Hall, 1969.
MLA引文Molina, Fernando R. The Sources of Existentialism as Philosophy. Prentice-Hall, 1969.
警告：这些引文格式不一定是100％准确.