APA (7th ed.) Citation

Simpson, G. C. (1931). The Second Polar Year, 1932–33. Polar Record, 1(2), 64.

Chicago Style (17th ed.) Citation

Simpson, G. C. "The Second Polar Year, 1932–33." Polar Record 1, no. 2 (1931): 64.

MLA (9th ed.) Citation

Simpson, G. C. "The Second Polar Year, 1932–33." Polar Record, vol. 1, no. 2, 1931, p. 64.