APA (7th ed.) Citation

Thomson, D. (1965). England in the twentieth century, 1914-63. Penguin Books.

Chicago Style (17th ed.) Citation

Thomson, David. England in the Twentieth Century, 1914-63. Baltimore, Maryland: Penguin Books, 1965.

MLA (9th ed.) Citation

Thomson, David. England in the Twentieth Century, 1914-63. Penguin Books, 1965.