Mulligan, W. (2017). The origins of the first world war (Second edition.). Cambridge University Press.
Cita Chicago (17th ed.)Mulligan, William. The Origins of the First World War. Second edition. Cambridge, United Kingdom ; New York, NY: Cambridge University Press, 2017.
Cita MLA (8th ed.)Mulligan, William. The Origins of the First World War. Second edition. Cambridge University Press, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.