APA-Zitierstil (7. Ausg.)

Keylor, W. R. (2011). The twentieth-century world and beyond: An international history since 1900 (6. ed.). Oxford Univ. Press.

Chicago-Zitierstil (17. Ausg.)

Keylor, William R. The Twentieth-century World and Beyond: An International History Since 1900. 6. ed. Oxford [u.a.]: Oxford Univ. Press, 2011.

MLA-Zitierstil (9. Ausg.)

Keylor, William R. The Twentieth-century World and Beyond: An International History Since 1900. 6. ed. Oxford Univ. Press, 2011.