Cita APA (7th ed.)

Blake, R. (1975). The office of Prime Minister. Oxford University Press for the British Academy.

Cita Chicago (17th ed.)

Blake, Robert. The Office of Prime Minister. London [etc.]: Oxford University Press for the British Academy, 1975.

Cita MLA (8th ed.)

Blake, Robert. The Office of Prime Minister. Oxford University Press for the British Academy, 1975.