Cita APA (7th ed.)

Clarke, P. F. (1978). Liberals and social democrats. Cambridge University Press.

Cita Chicago (17th ed.)

Clarke, P. F. Liberals and Social Democrats. Cambridge [Eng.] ; New York: Cambridge University Press, 1978.

Cita MLA (8th ed.)

Clarke, P. F. Liberals and Social Democrats. Cambridge University Press, 1978.