APA (7th ed.) Citation

Howkins, A. (2016). The Polar regions: An environmental history. Polity Press.

Chicago Style (17th ed.) Citation

Howkins, Adrian. The Polar Regions: An Environmental History. Cambridge, United Kingdom: Polity Press, 2016.

MLA (9th ed.) Citation

Howkins, Adrian. The Polar Regions: An Environmental History. Polity Press, 2016.