APA (7th ed.) Citation

Thomson, D. (1971). England in the nineteenth century, 1815-1914 (1st. published in Penguin Books, repr.). Penguin.

Chicago Style (17th ed.) Citation

Thomson, David. England in the Nineteenth Century, 1815-1914. 1st. published in Penguin Books, repr. Harmondsworth: Penguin, 1971.

MLA (9th ed.) Citation

Thomson, David. England in the Nineteenth Century, 1815-1914. 1st. published in Penguin Books, repr. Penguin, 1971.