Cita APA (7a ed.)
Spikins, P. How Compassion Made Us Human: The Evolutionary Origins of Tenderness, Trust and Morality. Pen and Sword.
Cita estilo Chicago (17a ed.)
Spikins, Penny. How Compassion Made Us Human: The Evolutionary Origins of Tenderness, Trust and Morality. Barnsley, Inglaterra: Pen and Sword.
Cita MLA (9a ed.)
Spikins, Penny. How Compassion Made Us Human: The Evolutionary Origins of Tenderness, Trust and Morality. Pen and Sword.
Precaución: Estas citas no son 100% exactas.