Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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