(1940). International Ice Patrol Service, 1940. Polar Record, 3(20), 333.
Chicago Style (17th ed.) Citation"International Ice Patrol Service, 1940." Polar Record 3, no. 20 (1940): 333.
MLA (9th ed.) Citation"International Ice Patrol Service, 1940." Polar Record, vol. 3, no. 20, 1940, p. 333.
Warning: These citations may not always be 100% accurate.