APA

Friedrich Carl J,, . (1964). Constitutional government and democracy : Theory and practice in Europe and America. New Delhi: Oxford IBH Publishing Co.

Chicago

Friedrich Carl J,, . 1964. Constitutional government and democracy : Theory and practice in Europe and America. New Delhi: Oxford IBH Publishing Co.

Harvard

Friedrich Carl J,, . (1964). Constitutional government and democracy : Theory and practice in Europe and America. New Delhi: Oxford IBH Publishing Co.

MLA

Friedrich Carl J,, . Constitutional government and democracy : Theory and practice in Europe and America. New Delhi: Oxford IBH Publishing Co. 1964.