APA (7th ed.) Citation

Trevelyan, G. M., & Dunham, W. H. (1987). A shortened history of England. Penguin Books.

Chicago Style (17th ed.) Citation

Trevelyan, George Macaulay, and William Huse Dunham. A Shortened History of England. London: Penguin Books, 1987.

MLA (8th ed.) Citation

Trevelyan, George Macaulay, and William Huse Dunham. A Shortened History of England. Penguin Books, 1987.