APA (7th ed.) Citation

Beauvoir, S. d., & Green, P. (1973). The prime of life. Penguin.

Chicago Style (17th ed.) Citation

Beauvoir, Simone de, and Peter Green. The Prime of Life. Harmondsworth: Penguin, 1973.

MLA (8th ed.) Citation

Beauvoir, Simone de, and Peter Green. The Prime of Life. Penguin, 1973.

Warning: These citations may not always be 100% accurate.