APA (7th ed.) Citation

Keir, S. D. L. (1964). The constitutional history of modern Britain since 1485 (7th ed.). A. and C. Black.

Chicago Style (17th ed.) Citation

Keir, Sir David Lindsay. The Constitutional History of Modern Britain Since 1485. 7th ed. London: A. and C. Black, 1964.

MLA (9th ed.) Citation

Keir, Sir David Lindsay. The Constitutional History of Modern Britain Since 1485. 7th ed. A. and C. Black, 1964.