APA (7th ed.) Citation

Harvey, A., & Cox, J. C. (1911). The castles and walled towns of England. Methuen & Co.

Chicago Style (17th ed.) Citation

Harvey, Alfred, and John Charles Cox. The Castles and Walled Towns of England. London: Methuen & Co, 1911.

MLA (9th ed.) Citation

Harvey, Alfred, and John Charles Cox. The Castles and Walled Towns of England. Methuen & Co, 1911.

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