Citazione Stile APA (7a Edizione)

Hartmann, A. V., & Heuser, B. (2001). War, peace and world orders in european history. Routledge.

Citazione stile Chigago Style (17a edizione)

Hartmann, Anja V., e Beatrice Heuser. War, Peace and World Orders in European History. Nueva York: Routledge, 2001.

Citatione MLA (9a ed.)

Hartmann, Anja V., e Beatrice Heuser. War, Peace and World Orders in European History. Routledge, 2001.