APA-Zitierstil (7. Ausg.)

Ketelbey, D. M. (1948). A history of modern times: From 1789 to the present day (New ed., revised.). Harrap.

Chicago-Zitierstil (17. Ausg.)

Ketelbey, D. M. A History of Modern Times: From 1789 to the Present Day. New ed., revised. London [u.a.]: Harrap, 1948.

MLA-Zitierstil (9. Ausg.)

Ketelbey, D. M. A History of Modern Times: From 1789 to the Present Day. New ed., revised. Harrap, 1948.