APA Citation

Great Britain. War Office. General Staff. Geographical Section, & Great Britain. Ordnance Survey. (1909). Northern Nigeria. [London?]: Geographical Section, General Staff.

Chicago Style Citation

Great Britain. War Office. General Staff. Geographical Section, and Great Britain. Ordnance Survey. Northern Nigeria. [London?]: Geographical Section, General Staff, 1909.

MLA Citation

Great Britain. War Office. General Staff. Geographical Section, and Great Britain. Ordnance Survey. Northern Nigeria. [London?]: Geographical Section, General Staff, 1909.

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