Cita APA (7a ed.)

Mackenzie, K. R. (1959). The English Parliament. Penguin Books.

Cita Chicago Style (17a ed.)

Mackenzie, K. R. The English Parliament. Harmondsworth: Penguin Books, 1959.

Cita MLA (8a ed.)

Mackenzie, K. R. The English Parliament. Penguin Books, 1959.