Cita APA (7a ed.)

Robson, W. A. (1952). The British System of Government (4th. rev. ed.). Longman's.

Cita Chicago Style (17a ed.)

Robson, William A. The British System of Government. 4th. rev. ed. London: Longman's, 1952.

Cita MLA (8a ed.)

Robson, William A. The British System of Government. 4th. rev. ed. Longman's, 1952.