APA (7th ed.) Citation

Royal Colonial Institute (Great Britain) & Royal Empire Society (Great Britain). (1910). United empire. Pitman and Sons Ltd..

Chicago Style (17th ed.) Citation

Royal Colonial Institute (Great Britain) and Royal Empire Society (Great Britain). United Empire. London: Pitman and Sons Ltd., 1910.

MLA (9th ed.) Citation

Royal Colonial Institute (Great Britain) and Royal Empire Society (Great Britain). United Empire. Pitman and Sons Ltd., 1910.