Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Grenville, J. A. S. A History of the World in the Twentieth Century. Cambridge: The Belknap Press of Harvard University Press, 1994.

Cita MLA (9a ed.)

Grenville, J. A. S. A History of the World in the Twentieth Century. The Belknap Press of Harvard University Press, 1994.