Beauvoir, S. d., & Green, P. (1973). The prime of life. Penguin.
芝加哥风格引文Beauvoir, Simone de, 与 Peter Green. The Prime of Life. Harmondsworth: Penguin, 1973.
MLA引文Beauvoir, Simone de, 与 Peter Green. The Prime of Life. Penguin, 1973.
警告：这些引文格式不一定是100％准确.