APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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