APA (7th ed.) Citation

(2008). Linesman, NGI Belgium: 1:25000 & 1:50000 scale modern Belgian map data and aerial photography in association with NGI Belgium ; GPS compatible, PDA interface, Major & Mrs Holt's Battle Maps, 14 x Belgian trench maps, NGI maps, aerial photography, 3D views, Ypres League map. Great War Digital.

Chicago Style (17th ed.) Citation

Linesman, NGI Belgium: 1:25000 & 1:50000 Scale Modern Belgian Map Data and Aerial Photography in Association with NGI Belgium ; GPS Compatible, PDA Interface, Major & Mrs Holt's Battle Maps, 14 X Belgian Trench Maps, NGI Maps, Aerial Photography, 3D Views, Ypres League Map. [Orpington]: Great War Digital, 2008.

MLA (9th ed.) Citation

Linesman, NGI Belgium: 1:25000 & 1:50000 Scale Modern Belgian Map Data and Aerial Photography in Association with NGI Belgium ; GPS Compatible, PDA Interface, Major & Mrs Holt's Battle Maps, 14 X Belgian Trench Maps, NGI Maps, Aerial Photography, 3D Views, Ypres League Map. Great War Digital, 2008.