APA (7th ed.) Citation

George III, K. o. G. B., & Aspinall, A. (1963). The later correspondence of George III / edited by A. Aspinall. C.U.P..

Chicago Style (17th ed.) Citation

George III, King of Great Britain, and A. Aspinall. The Later Correspondence of George III / Edited by A. Aspinall. C.U.P., 1963.

MLA (9th ed.) Citation

George III, King of Great Britain, and A. Aspinall. The Later Correspondence of George III / Edited by A. Aspinall. C.U.P., 1963.

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