Cita APA (7th ed.)

Lane, N. (2015). The Vital Question: Why Is Life the Way It Is? Profile Books.

Cita Chicago (17th ed.)

Lane, Nick. The Vital Question: Why Is Life the Way It Is? London: Profile Books, 2015.

Cita MLA (9th ed.)

Lane, Nick. The Vital Question: Why Is Life the Way It Is? Profile Books, 2015.

Atenció: Aquestes cites poden no estar 100% correctes.