APA (7th ed.) Citation

Yardley, D. C. M. (1990). Introduction to British constitutional law (7th ed.). Butterworths.

Chicago Style (17th ed.) Citation

Yardley, D. C. M. Introduction to British Constitutional Law. 7th ed. London: Butterworths, 1990.

MLA (9th ed.) Citation

Yardley, D. C. M. Introduction to British Constitutional Law. 7th ed. Butterworths, 1990.

Warning: These citations may not always be 100% accurate.