APA (7th ed.) Citation

(2001). The Great World War: 1914 - 45 (1. publ.). HarperCollins.

Chicago Style (17th ed.) Citation

The Great World War: 1914 - 45. 1. publ. London: HarperCollins, 2001.

MLA (9th ed.) Citation

The Great World War: 1914 - 45. 1. publ. HarperCollins, 2001.

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