APA (7th ed.) Citation

Gilbert, M. (1994). First World War / Martin Gilbert. Weidenfeld & Nicolson.

Chicago Style (17th ed.) Citation

Gilbert, Martin. First World War / Martin Gilbert. London: Weidenfeld & Nicolson, 1994.

MLA (9th ed.) Citation

Gilbert, Martin. First World War / Martin Gilbert. Weidenfeld & Nicolson, 1994.

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