APA (7th ed.) Citation

Great Britain. War Office. General Staff. Geographical Section. (1941). East central Asia. War Office.

Chicago Style (17th ed.) Citation

Great Britain. War Office. General Staff. Geographical Section. East Central Asia. [London]: War Office, 1941.

MLA (9th ed.) Citation

Great Britain. War Office. General Staff. Geographical Section. East Central Asia. War Office, 1941.

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