Cita APA (7a ed.)

Friedrich, C. J. (1968). Constitutional government and democracy: Theory and practice in Europe and America (4th ed.). Oxford & IBH.

Cita Chicago Style (17a ed.)

Friedrich, Carl J. Constitutional Government and Democracy: Theory and Practice in Europe and America. 4th ed. Calcutta: Oxford & IBH, 1968.

Cita MLA (9a ed.)

Friedrich, Carl J. Constitutional Government and Democracy: Theory and Practice in Europe and America. 4th ed. Oxford & IBH, 1968.