APA (7th ed.) Citation

(1933). Norwegian Crossing of Greenland , 1931. Polar Record, 1(5), 40.

Chicago Style (17th ed.) Citation

"Norwegian Crossing of Greenland , 1931." Polar Record 1, no. 5 (1933): 40.

MLA (9th ed.) Citation

"Norwegian Crossing of Greenland , 1931." Polar Record, vol. 1, no. 5, 1933, p. 40.

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