Cita APA (7th ed.)
Canby, T. Y. (1998). From Botswana to the Bering Sea: My thirty years with National geographic. Island Press [for] Shearwater Books.
Cita Chicago (17th ed.)
Canby, Thomas Y. From Botswana to the Bering Sea: My Thirty Years with National Geographic. Washington, D.C.: Island Press [for] Shearwater Books, 1998.
Cita MLA (9th ed.)
Canby, Thomas Y. From Botswana to the Bering Sea: My Thirty Years with National Geographic. Island Press [for] Shearwater Books, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.