APA (7th ed.) Citation

Great Britain. War Office. General Staff. Geographical Section, Malaysia. Survey Department, & Straits Settlements. Survey Office. (1942). Perak 1929. Army Map Service, U.S. Army.

Chicago Style (17th ed.) Citation

Great Britain. War Office. General Staff. Geographical Section, Malaysia. Survey Department, and Straits Settlements. Survey Office. Perak 1929. Washington, D.C.: Army Map Service, U.S. Army, 1942.

MLA (9th ed.) Citation

Great Britain. War Office. General Staff. Geographical Section, et al. Perak 1929. Army Map Service, U.S. Army, 1942.