APA (7th ed.) Citation

Geiss, I. (1983). War and empire in the twentieth century. Aberdeen Univ. Pr.

Chicago Style (17th ed.) Citation

Geiss, Imanuel. War and Empire in the Twentieth Century. Aberdeen: Aberdeen Univ. Pr, 1983.

MLA (9th ed.) Citation

Geiss, Imanuel. War and Empire in the Twentieth Century. Aberdeen Univ. Pr, 1983.

Warning: These citations may not always be 100% accurate.