Canby, T. Y. (1998). From Botswana to the Bering Sea: My Thirty Years with National Geographic. Island Press.
Style de citation Chicago (17e éd.)Canby, Thomas Y. From Botswana to the Bering Sea: My Thirty Years with National Geographic. Washington DC: Island Press, 1998.
Style de citation MLA (8e éd.)Canby, Thomas Y. From Botswana to the Bering Sea: My Thirty Years with National Geographic. Island Press, 1998.
Attention : ces citations peuvent ne pas être correctes à 100%.