APA (7th ed.) Citation

Ketelbey, C. D. M. (1953). A history of modern times. George G.Harrap.

Chicago Style (17th ed.) Citation

Ketelbey, C. D. M. A History of Modern Times. London: George G.Harrap, 1953.

MLA (9th ed.) Citation

Ketelbey, C. D. M. A History of Modern Times. George G.Harrap, 1953.

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