APA (7th ed.) Citation

(1918). The government of the British empire. (As at the end of the year 1917). With map. London.

Chicago Style (17th ed.) Citation

The Government of the British Empire. (As at the End of the Year 1917). With Map. London, 1918.

MLA (8th ed.) Citation

The Government of the British Empire. (As at the End of the Year 1917). With Map. London, 1918.

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