Cita APA (7a ed.)

Plumb, J. (1968). England in the Eighteenth Century (4th repr.). Penguin Books.

Cita Chicago Style (17a ed.)

Plumb, J.H. England in the Eighteenth Century. 4th repr. Harmondsworth: Penguin Books, 1968.

Cita MLA (9a ed.)

Plumb, J.H. England in the Eighteenth Century. 4th repr. Penguin Books, 1968.