APA (7th ed.) Citation

Yardley, D. C. M. (1964). Introduction to British constitutional law (2nd ed.). Butterworths.

Chicago Style (17th ed.) Citation

Yardley, D. C. M. Introduction to British Constitutional Law. 2nd ed. London: Butterworths, 1964.

MLA (9th ed.) Citation

Yardley, D. C. M. Introduction to British Constitutional Law. 2nd ed. Butterworths, 1964.