APA (7th ed.) Citation

Black, J. (2009). War in the nineteenth century: 1800-1914. Polity.

Chicago Style (17th ed.) Citation

Black, Jeremy. War in the Nineteenth Century: 1800-1914. Cambridge: Polity, 2009.

MLA (9th ed.) Citation

Black, Jeremy. War in the Nineteenth Century: 1800-1914. Polity, 2009.