APA (7th ed.) Citation

Great Britain. War Office. General Staff. Geographical Section. (2003). France and Belgium 1: 50,000 (2nd ed.). [publisher not identified].

Chicago Style (17th ed.) Citation

Great Britain. War Office. General Staff. Geographical Section. France and Belgium 1: 50,000. 2nd ed. [Place of publication not identified]: [publisher not identified], 2003.

MLA (9th ed.) Citation

Great Britain. War Office. General Staff. Geographical Section. France and Belgium 1: 50,000. 2nd ed. [publisher not identified], 2003.