APA (7th ed.) Citation

Borthwick, R. L., & Spence, J. E. (1984). British politics in perspective. St. Martin's Press.

Chicago Style (17th ed.) Citation

Borthwick, R. L., and J. E. Spence. British Politics in Perspective. New York: St. Martin's Press, 1984.

MLA (9th ed.) Citation

Borthwick, R. L., and J. E. Spence. British Politics in Perspective. St. Martin's Press, 1984.