APA (7th ed.) Citation

Birch, A. H. (1986). The British system of government (7. ed.). Allen & Unwin.

Chicago Style (17th ed.) Citation

Birch, Anthony H. The British System of Government. 7. ed. London u.a: Allen & Unwin, 1986.

MLA (9th ed.) Citation

Birch, Anthony H. The British System of Government. 7. ed. Allen & Unwin, 1986.