APA (7th ed.) Citation

Henig, R. (1995). The Origins of the First World War (2nd ed.). Routledge.

Chicago Style (17th ed.) Citation

Henig, Ruth. The Origins of the First World War. 2nd ed. London: Routledge, 1995.

MLA (9th ed.) Citation

Henig, Ruth. The Origins of the First World War. 2nd ed. Routledge, 1995.