APA (7th ed.) Citation

Barber, N. W. (2021). The United Kingdom constitution: An introduction (First edition.). Oxford University Press.

Chicago Style (17th ed.) Citation

Barber, N. W. The United Kingdom Constitution: An Introduction. First edition. Oxford, United Kingdom: Oxford University Press, 2021.

MLA (8th ed.) Citation

Barber, N. W. The United Kingdom Constitution: An Introduction. First edition. Oxford University Press, 2021.