Burkhardt, E. (2013). Whale sightings during POLARSTERN cruise ANT-XXVIII/3. PANGAEA.
Cita Chicago Style (17a ed.)Burkhardt, Elke. Whale Sightings During POLARSTERN Cruise ANT-XXVIII/3. PANGAEA, 2013.
Cita MLA (9a ed.)Burkhardt, Elke. Whale Sightings During POLARSTERN Cruise ANT-XXVIII/3. PANGAEA, 2013.
Precaución: Estas citas no son 100% exactas.