APA (7th ed.) Citation

Great Britain. War Office. General Staff. Geographical Section, Great Britain. Army. Middle East Forces, & United States. Army Map Service. (1941). Caucasia 1: 253,440. War Office.

Chicago Style (17th ed.) Citation

Great Britain. War Office. General Staff. Geographical Section, Great Britain. Army. Middle East Forces, and United States. Army Map Service. Caucasia 1: 253,440. [London]: War Office, 1941.

MLA (9th ed.) Citation

Great Britain. War Office. General Staff. Geographical Section, et al. Caucasia 1: 253,440. War Office, 1941.