APA (7th ed.) Citation

Thomson, D. (1950). England in the nineteenth century, 1815-1914. Penguin Books.

Chicago Style (17th ed.) Citation

Thomson, David. England in the Nineteenth Century, 1815-1914. Baltimore, Md.: Penguin Books, 1950.

MLA (9th ed.) Citation

Thomson, David. England in the Nineteenth Century, 1815-1914. Penguin Books, 1950.