Cita APA (7a ed.)

Sartre, J. P. (1950). Iron in the soul. Penguin Book.

Cita Chicago Style (17a ed.)

Sartre, Jean Paul. Iron in the Soul. Gran Bretaña: Penguin Book, 1950.

Cita MLA (9a ed.)

Sartre, Jean Paul. Iron in the Soul. Penguin Book, 1950.