APA (7th ed.) Citation

Great Britain & Gleichen, E. (2000). Chronology of the Great War, 1914-1918. Greenhill Books.

Chicago Style (17th ed.) Citation

Great Britain and Edward Gleichen. Chronology of the Great War, 1914-1918. London: Greenhill Books, 2000.

MLA (8th ed.) Citation

Great Britain and Edward Gleichen. Chronology of the Great War, 1914-1918. Greenhill Books, 2000.

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