APA (7th ed.) Citation

Judge, H., & Blake, R. (1988). Oxford illustrated encyclopedia: 4, World History : from 1800 to the present day. University Press.

Chicago Style (17th ed.) Citation

Judge, Harry, and Robert Blake. Oxford Illustrated Encyclopedia: 4, World History : From 1800 to the Present Day. Oxford: University Press, 1988.

MLA (9th ed.) Citation

Judge, Harry, and Robert Blake. Oxford Illustrated Encyclopedia: 4, World History : From 1800 to the Present Day. University Press, 1988.