APA (7th ed.) Citation

Butler, D. (1963). The electoral system in Britain, since 1918 (2nd ed.). Clarendon Press.

Chicago Style (17th ed.) Citation

Butler, David. The Electoral System in Britain, Since 1918. 2nd ed. Oxford, [England]: Clarendon Press, 1963.

MLA (8th ed.) Citation

Butler, David. The Electoral System in Britain, Since 1918. 2nd ed. Clarendon Press, 1963.