Cita APA (7a ed.)

Trevelyan, G. M. (1986). A shortened history of England. Penguin.

Cita Chicago Style (17a ed.)

Trevelyan, George Macauley. A Shortened History of England. Harmondsworth [etc.]: Penguin, 1986.

Cita MLA (9a ed.)

Trevelyan, George Macauley. A Shortened History of England. Penguin, 1986.