Cita APA (7th ed.)

Sverdrup, O. (1904). New land: Four years in the arctic regions. Longmans Green and Co.

Cita Chicago (17th ed.)

Sverdrup, Otto. New Land: Four Years in the Arctic Regions. Londres: Longmans Green and Co, 1904.

Cita MLA (9th ed.)

Sverdrup, Otto. New Land: Four Years in the Arctic Regions. Longmans Green and Co, 1904.