Cita APA (7th ed.)

Beauvoir, S. d. (1965). The Prime of Life. Penguin Books.

Cita Chicago (17th ed.)

Beauvoir, Simone de. The Prime of Life. London: Penguin Books, 1965.

Cita MLA (9th ed.)

Beauvoir, Simone de. The Prime of Life. Penguin Books, 1965.