APA (7th ed.) Citation

United States. Army Map Service & Ordnance Survey. (1942). Ordnance Survey of Ireland 1: 253,440. A.M.S..

Chicago Style (17th ed.) Citation

United States. Army Map Service and Ordnance Survey. Ordnance Survey of Ireland 1: 253,440. Washington: A.M.S., 1942.

MLA (8th ed.) Citation

United States. Army Map Service and Ordnance Survey. Ordnance Survey of Ireland 1: 253,440. A.M.S., 1942.

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