APA (7th ed.) Citation

Routh, C. R. N. (1964). Who's who in history. Basil Blackwell.

Chicago Style (17th ed.) Citation

Routh, Charles Richard Nairne. Who's Who in History. Oxford: Basil Blackwell, 1964.

MLA (9th ed.) Citation

Routh, Charles Richard Nairne. Who's Who in History. Basil Blackwell, 1964.