(1940). Professor Ahlmann's Expedition to North-East Greenland , 1939–40. Polar Record, 3(20), 303.
Chicago Style (17th ed.) Citation"Professor Ahlmann's Expedition to North-East Greenland , 1939–40." Polar Record 3, no. 20 (1940): 303.
MLA (9th ed.) Citation"Professor Ahlmann's Expedition to North-East Greenland , 1939–40." Polar Record, vol. 3, no. 20, 1940, p. 303.
Warning: These citations may not always be 100% accurate.