Cita APA (7a ed.)

BEAUVOIR, S. d., & GREEN, P. (1962). The Prime of Life. Penguin Books.

Cita Chicago Style (17a ed.)

BEAUVOIR, Simone de, y Peter GREEN. The Prime of Life. Harmmondsworth: Penguin Books, 1962.

Cita MLA (9a ed.)

BEAUVOIR, Simone de, y Peter GREEN. The Prime of Life. Penguin Books, 1962.