Style de citation APA (7e éd.)

Hannigan, R. E. (2017). The Great War and American foreign policy, 1914-24. University of Pennsylvania Press.

Style de citation Chicago (17e éd.)

Hannigan, Robert E. The Great War and American Foreign Policy, 1914-24. Philadelphia, Pennsylvania: University of Pennsylvania Press, 2017.

Style de citation MLA (8e éd.)

Hannigan, Robert E. The Great War and American Foreign Policy, 1914-24. University of Pennsylvania Press, 2017.