Cita APA (7th ed.)

Mackenzie, K. (1951). The English Parliament (2. Aufl.). Penguin.

Cita Chicago (17th ed.)

Mackenzie, K.R. The English Parliament. 2. Aufl. Harmondsworth: Penguin, 1951.

Cita MLA (8th ed.)

Mackenzie, K.R. The English Parliament. 2. Aufl. Penguin, 1951.