APA (7th ed.) Citation

Butler, D., & Blake, R. (1978). Coalitions in British politics. MacMillan.

Chicago Style (17th ed.) Citation

Butler, David, and Robert Blake. Coalitions in British Politics. London: MacMillan, 1978.

MLA (9th ed.) Citation

Butler, David, and Robert Blake. Coalitions in British Politics. MacMillan, 1978.

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