APA (7th ed.) Citation

Robertson, C. G. (1946). Chatham and the British Empire. E.U.P..

Chicago Style (17th ed.) Citation

Robertson, Charles Grant. Chatham and the British Empire. E.U.P., 1946.

MLA (9th ed.) Citation

Robertson, Charles Grant. Chatham and the British Empire. E.U.P., 1946.

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