Cita APA (7a ed.)

Dahl, R. A. (1967). Political oppositions in Western democracies. Yale University Press.

Cita Chicago Style (17a ed.)

Dahl, Robert A. Political Oppositions in Western Democracies. New Haven [etc.]: Yale University Press, 1967.

Cita MLA (9a ed.)

Dahl, Robert A. Political Oppositions in Western Democracies. Yale University Press, 1967.