APA (7th ed.) Citation

Butler, D., & Butler, G. (1994). British political facts, 1900-1994 / by David Butler and Gareth Butler (7th ed.). Macmillan.

Chicago Style (17th ed.) Citation

Butler, David, and Gareth Butler. British Political Facts, 1900-1994 / by David Butler and Gareth Butler. 7th ed. London: Macmillan, 1994.

MLA (9th ed.) Citation

Butler, David, and Gareth Butler. British Political Facts, 1900-1994 / by David Butler and Gareth Butler. 7th ed. Macmillan, 1994.

Warning: These citations may not always be 100% accurate.