APA (7th ed.) Citation

Armstrong, T. E., Rogers, G. W., & Rowley, G. (1978). The circumpolar north: A political and economic geography of the Arctic and Sub-Arctic. Methuen & Co.

Chicago Style (17th ed.) Citation

Armstrong, Terence E., George William Rogers, and Graham Rowley. The Circumpolar North: A Political and Economic Geography of the Arctic and Sub-Arctic. London: Methuen & Co, 1978.

MLA (9th ed.) Citation

Armstrong, Terence E., et al. The Circumpolar North: A Political and Economic Geography of the Arctic and Sub-Arctic. Methuen & Co, 1978.