APA (7th ed.) Citation

Plumb, J. (1971). England in the eighteenth century. Hammondsworth: Penguin Books.

Chicago Style (17th ed.) Citation

Plumb, J.H. England in the Eighteenth Century. Hammondsworth: Penguin Books, 1971.

MLA (8th ed.) Citation

Plumb, J.H. England in the Eighteenth Century. Hammondsworth: Penguin Books, 1971.