Penn, R. (2016). The Man Who Made Things Out of Trees. Penguin.
Cita Chicago Style (17a ed.)Penn, Robert. The Man Who Made Things Out of Trees. Penguin, 2016.
Cita MLA (9a ed.)Penn, Robert. The Man Who Made Things Out of Trees. Penguin, 2016.
Precaución: Estas citas no son 100% exactas.