APA (7th ed.) Citation

Butler, D., & Butler, G. (2006). British political facts since 1979. Palgrave Macmillan.

Chicago Style (17th ed.) Citation

Butler, David, and Gareth Butler. British Political Facts Since 1979. New York ; London: Palgrave Macmillan, 2006.

MLA (9th ed.) Citation

Butler, David, and Gareth Butler. British Political Facts Since 1979. Palgrave Macmillan, 2006.