APA (7th ed.) Citation

Duckworth, W. L. H. (1912). Prehistoric man (2nd ed.). University Press.

Chicago Style (17th ed.) Citation

Duckworth, W. L. H. Prehistoric Man. 2nd ed. Cambridge: University Press, 1912.

MLA (9th ed.) Citation

Duckworth, W. L. H. Prehistoric Man. 2nd ed. University Press, 1912.