APA (7th ed.) Citation

Bertram Rota Ltd. (1989). The Great War, 1914-1918. Bertram Rota Ltd..

Chicago Style (17th ed.) Citation

Bertram Rota Ltd. The Great War, 1914-1918. London: Bertram Rota Ltd., 1989.

MLA (9th ed.) Citation

Bertram Rota Ltd. The Great War, 1914-1918. Bertram Rota Ltd., 1989.

Warning: These citations may not always be 100% accurate.