Lane, N. (2015). The Vital Question: Why Is Life the Way It Is? Profile Books.
Cita Chicago Style (17a ed.)Lane, Nick. The Vital Question: Why Is Life the Way It Is? London: Profile Books, 2015.
Cita MLA (9a ed.)Lane, Nick. The Vital Question: Why Is Life the Way It Is? Profile Books, 2015.
Precaución: Estas citas no son 100% exactas.