APA (7th ed.) Citation

Great Britain. War Office. General Staff. Geographical Section, Royal Geographical Society, Great Britain. Ordnance Survey, United States. Army Map Service, & Great Britain. Army. Middle East Forces. (1910). Europe 1: 1,000,000. War Office.

Chicago Style (17th ed.) Citation

Great Britain. War Office. General Staff. Geographical Section, Royal Geographical Society, Great Britain. Ordnance Survey, United States. Army Map Service, and Great Britain. Army. Middle East Forces. Europe 1: 1,000,000. [London]: War Office, 1910.

MLA (8th ed.) Citation

Great Britain. War Office. General Staff. Geographical Section, et al. Europe 1: 1,000,000. War Office, 1910.