Cita APA (7th ed.)

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.