Kagge, E. (2021). The philosophy of an explorer: 16 life-lessons from surviving the extreme. Penguin Books.
Citazione stile Chigago Style (17a edizione)Kagge, Erling. The Philosophy of an Explorer: 16 Life-lessons from Surviving the Extreme. London: Penguin Books, 2021.
Citatione MLA (9a ed.)Kagge, Erling. The Philosophy of an Explorer: 16 Life-lessons from Surviving the Extreme. Penguin Books, 2021.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.