MLA

Butler, David, and Donald E Stokes. Political Change In Britain. 2d college ed. New York: St. Martin's Press, 1976.

APA

Butler, D., & Stokes, D. E. (1976). Political change in Britain. 2d college ed. New York: St. Martin's Press.

Chicago

Butler, David, and Donald E. Stokes. Political Change In Britain. 2d college ed. New York: St. Martin's Press, 1976.