APA (7th ed.) Citation

Armstrong, T. (1963). Oil and gas in the Soviet Arctic. Polar Record, 11(73), 431.

Chicago Style (17th ed.) Citation

Armstrong, Terence. "Oil and Gas in the Soviet Arctic." Polar Record 11, no. 73 (1963): 431.

MLA (9th ed.) Citation

Armstrong, Terence. "Oil and Gas in the Soviet Arctic." Polar Record, vol. 11, no. 73, 1963, p. 431.

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