APA (7th ed.) Citation

Daly, R. A. (1963). The changing world of the ice age. Hafner Pub. Co.

Chicago Style (17th ed.) Citation

Daly, Reginald Aldworth. The Changing World of the Ice Age. New York: Hafner Pub. Co, 1963.

MLA (9th ed.) Citation

Daly, Reginald Aldworth. The Changing World of the Ice Age. Hafner Pub. Co, 1963.

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