Cita APA (7a ed.)

Palmer A. W. (1962). A Dictionary of modern history: (1789-1945). Penguin.

Cita Chicago Style (17a ed.)

Palmer A. W. A Dictionary of Modern History: (1789-1945). Middlesex, England,: Penguin, 1962.

Cita MLA (9a ed.)

Palmer A. W. A Dictionary of Modern History: (1789-1945). Penguin, 1962.