Hartwig, G. (1869). The Polar World: A popular description of Man and nature in the Arctic and Antarctic regions of the globe. By Dr. G. Hartwig. With eight chromoxylographic plates, three maps, and numerous woodcuts (1a. ed.). Longmans, Green, and Co.
Cita Chicago Style (17a ed.)Hartwig, G. The Polar World: A Popular Description of Man and Nature in the Arctic and Antarctic Regions of the Globe. By Dr. G. Hartwig. With Eight Chromoxylographic Plates, Three Maps, and Numerous Woodcuts. 1a. ed. Londres: Longmans, Green, and Co, 1869.
Cita MLA (9a ed.)Hartwig, G. The Polar World: A Popular Description of Man and Nature in the Arctic and Antarctic Regions of the Globe. By Dr. G. Hartwig. With Eight Chromoxylographic Plates, Three Maps, and Numerous Woodcuts. 1a. ed. Longmans, Green, and Co, 1869.