APA (7th ed.) Citation

(1940). Danish Thule and Ellesmere Island Expedition , 1939–40. Polar Record, 3(20), 304.

Chicago Style (17th ed.) Citation

"Danish Thule and Ellesmere Island Expedition , 1939–40." Polar Record 3, no. 20 (1940): 304.

MLA (9th ed.) Citation

"Danish Thule and Ellesmere Island Expedition , 1939–40." Polar Record, vol. 3, no. 20, 1940, p. 304.

Warning: These citations may not always be 100% accurate.