Cita APA

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

Citación estilo Chicago

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

Cita MLA

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