Cita APA

Mulligan, W. (2017). The origins of the first world war (Second edition.). Cambridge University Press.

Citación estilo Chicago

Mulligan, William. The Origins of the First World War. Second edition. Cambridge, United Kingdom ; New York, NY: Cambridge University Press, 2017.

Cita MLA

Mulligan, William. The Origins of the First World War. Second edition. Cambridge University Press, 2017.