APA (7th ed.) Citation

Reese, T. R. (1968). The history of the Royal Commonwealth Society 1868-1968. Oxford U.P..

Chicago Style (17th ed.) Citation

Reese, Trevor R. The History of the Royal Commonwealth Society 1868-1968. London, Melbourne [etc.]: Oxford U.P., 1968.

MLA (8th ed.) Citation

Reese, Trevor R. The History of the Royal Commonwealth Society 1868-1968. Oxford U.P., 1968.