APA (7th ed.) Citation

Ahlmann, H. W. (1953). Glacier variations and climatic fluctuations. American Geographical Society.

Chicago Style (17th ed.) Citation

Ahlmann, Hans W:son. Glacier Variations and Climatic Fluctuations. New York: American Geographical Society, 1953.

MLA (9th ed.) Citation

Ahlmann, Hans W:son. Glacier Variations and Climatic Fluctuations. American Geographical Society, 1953.