APA (7th ed.) Citation

Ridley, J. G. (1981). The history of England. Routledge & K. Paul.

Chicago Style (17th ed.) Citation

Ridley, Jasper Godwin. The History of England. London ; Boston: Routledge & K. Paul, 1981.

MLA (9th ed.) Citation

Ridley, Jasper Godwin. The History of England. Routledge & K. Paul, 1981.