APA (7th ed.) Citation

Great Britain. War Office. General Staff. Geographical Section, United States. Army Map Service, Allied Forces. Mediterranean Theater, Istituto geografico militare, & Great Britain. Army. Middle East Forces. (1941). Italy 1: 50,000. War Office.

Chicago Style (17th ed.) Citation

Great Britain. War Office. General Staff. Geographical Section, United States. Army Map Service, Allied Forces. Mediterranean Theater, Istituto geografico militare, and Great Britain. Army. Middle East Forces. Italy 1: 50,000. [London]: War Office, 1941.

MLA (8th ed.) Citation

Great Britain. War Office. General Staff. Geographical Section, et al. Italy 1: 50,000. War Office, 1941.