APA (7th ed.) Citation

Williamson, J. A. (1930). A short history of British expansion (2nd ed.). MacMillan and Co.

Chicago Style (17th ed.) Citation

Williamson, James A. A Short History of British Expansion. 2nd ed. London: MacMillan and Co, 1930.

MLA (9th ed.) Citation

Williamson, James A. A Short History of British Expansion. 2nd ed. MacMillan and Co, 1930.