APA (7th ed.) Citation

Williamson, J. A. A short history of British expansion. Macmillan.

Chicago Style (17th ed.) Citation

Williamson, James A. A Short History of British Expansion. London: Macmillan.

MLA (9th ed.) Citation

Williamson, James A. A Short History of British Expansion. Macmillan.

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