APA (7th ed.) Citation

Armstrong, T. (1950). Recent Soviet Interest in Bellingshausen's Antarctic Voyage of 1819–21. Polar Record, 5(39), 475.

Chicago Style (17th ed.) Citation

Armstrong, Terence. "Recent Soviet Interest in Bellingshausen's Antarctic Voyage of 1819–21." Polar Record 5, no. 39 (1950): 475.

MLA (9th ed.) Citation

Armstrong, Terence. "Recent Soviet Interest in Bellingshausen's Antarctic Voyage of 1819–21." Polar Record, vol. 5, no. 39, 1950, p. 475.