APA (7th ed.) Citation

Great Britain. War Office. General Staff. Geographical Section & French West Africa. Service géographique. (1940). French West Africa 1: 200,000. War Office.

Chicago Style (17th ed.) Citation

Great Britain. War Office. General Staff. Geographical Section and French West Africa. Service géographique. French West Africa 1: 200,000. [London]: War Office, 1940.

MLA (9th ed.) Citation

Great Britain. War Office. General Staff. Geographical Section and French West Africa. Service géographique. French West Africa 1: 200,000. War Office, 1940.