APA-Zitierstil (7. Ausg.)

Watt, D. C. A history of the world in the twentieth century. Pan Books.

Chicago-Zitierstil (17. Ausg.)

Watt, Donald C. A History of the World in the Twentieth Century. London: Pan Books.

MLA-Zitierstil (9. Ausg.)

Watt, Donald C. A History of the World in the Twentieth Century. Pan Books.