APA Citatie

Ketelbey, C. D. M. (1986). History of modern times from 1789 (5 edition.). Oxford University Press.

Chicago Style citaat

Ketelbey, C D M. History of Modern Times from 1789. 5 edition. Calcutta: Oxford University Press, 1986.

MLA citatie

Ketelbey, C D M. History of Modern Times from 1789. 5 edition. Oxford University Press, 1986.