APA (7th ed.) Citation

Butler, D. (1952). The British general election of 1951. Macmillan.

Chicago Style (17th ed.) Citation

Butler, David. The British General Election of 1951. London: Macmillan, 1952.

MLA (9th ed.) Citation

Butler, David. The British General Election of 1951. Macmillan, 1952.