APA (7th ed.) Citation

Grenville, J. A. S. (1994). A history of the world in the twentieth century. Belknap Press of Harvard University Press.

Chicago Style (17th ed.) Citation

Grenville, John Ashley Soames. A History of the World in the Twentieth Century. Cambridge, Mass: Belknap Press of Harvard University Press, 1994.

MLA (9th ed.) Citation

Grenville, John Ashley Soames. A History of the World in the Twentieth Century. Belknap Press of Harvard University Press, 1994.